Added pmd, findbugs and lint support

.idea/libraries/appcompat_v7_25_1_0.xml

@@ -1,5 +1,8 @@
 <component name="libraryTable">
   <library name="appcompat-v7-25.1.0">
+    <ANNOTATIONS>
+      <root url="jar://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.android.support/appcompat-v7/25.1.0/annotations.zip!/" />
+    </ANNOTATIONS>
     <CLASSES>
       <root url="jar://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.android.support/appcompat-v7/25.1.0/jars/classes.jar!/" />
       <root url="file://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.android.support/appcompat-v7/25.1.0/res" />

.idea/libraries/design_25_1_0.xml

@@ -1,5 +1,8 @@
 <component name="libraryTable">
   <library name="design-25.1.0">
+    <ANNOTATIONS>
+      <root url="jar://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.android.support/design/25.1.0/annotations.zip!/" />
+    </ANNOTATIONS>
     <CLASSES>
       <root url="file://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.android.support/design/25.1.0/res" />
       <root url="jar://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.android.support/design/25.1.0/jars/classes.jar!/" />

.idea/libraries/library_2_5_7.xml

@@ -1,5 +1,8 @@
 <component name="libraryTable">
   <library name="library-2.5.7">
+    <ANNOTATIONS>
+      <root url="jar://$PROJECT_DIR$/library/build/intermediates/exploded-aar/io.branch.sdk.android/library/2.5.7/annotations.zip!/" />
+    </ANNOTATIONS>
     <CLASSES>
       <root url="jar://$PROJECT_DIR$/library/build/intermediates/exploded-aar/io.branch.sdk.android/library/2.5.7/jars/classes.jar!/" />
       <root url="file://$PROJECT_DIR$/library/build/intermediates/exploded-aar/io.branch.sdk.android/library/2.5.7/res" />

.idea/libraries/material_about_library_1_5_0.xml

@@ -1,5 +1,8 @@
 <component name="libraryTable">
   <library name="material-about-library-1.5.0">
+    <ANNOTATIONS>
+      <root url="jar://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.github.daniel-stoneuk/material-about-library/1.5.0/annotations.zip!/" />
+    </ANNOTATIONS>
     <CLASSES>
       <root url="file://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.github.daniel-stoneuk/material-about-library/1.5.0/res" />
       <root url="jar://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.github.daniel-stoneuk/material-about-library/1.5.0/jars/classes.jar!/" />

.idea/libraries/recyclerview_v7_25_1_0.xml

@@ -1,5 +1,8 @@
 <component name="libraryTable">
   <library name="recyclerview-v7-25.1.0">
+    <ANNOTATIONS>
+      <root url="jar://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.android.support/recyclerview-v7/25.1.0/annotations.zip!/" />
+    </ANNOTATIONS>
     <CLASSES>
       <root url="jar://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.android.support/recyclerview-v7/25.1.0/jars/classes.jar!/" />
       <root url="file://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.android.support/recyclerview-v7/25.1.0/res" />

.idea/libraries/support_compat_25_1_0.xml

@@ -1,5 +1,8 @@
 <component name="libraryTable">
   <library name="support-compat-25.1.0">
+    <ANNOTATIONS>
+      <root url="jar://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.android.support/support-compat/25.1.0/annotations.zip!/" />
+    </ANNOTATIONS>
     <CLASSES>
       <root url="jar://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.android.support/support-compat/25.1.0/jars/classes.jar!/" />
       <root url="file://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.android.support/support-compat/25.1.0/res" />

.idea/libraries/support_core_ui_25_1_0.xml

@@ -1,5 +1,8 @@
 <component name="libraryTable">
   <library name="support-core-ui-25.1.0">
+    <ANNOTATIONS>
+      <root url="jar://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.android.support/support-core-ui/25.1.0/annotations.zip!/" />
+    </ANNOTATIONS>
     <CLASSES>
       <root url="file://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.android.support/support-core-ui/25.1.0/res" />
       <root url="jar://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.android.support/support-core-ui/25.1.0/jars/classes.jar!/" />

.idea/libraries/support_core_utils_25_1_0.xml

@@ -1,5 +1,8 @@
 <component name="libraryTable">
   <library name="support-core-utils-25.1.0">
+    <ANNOTATIONS>
+      <root url="jar://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.android.support/support-core-utils/25.1.0/annotations.zip!/" />
+    </ANNOTATIONS>
     <CLASSES>
       <root url="jar://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.android.support/support-core-utils/25.1.0/jars/classes.jar!/" />
       <root url="file://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.android.support/support-core-utils/25.1.0/res" />

.idea/libraries/support_fragment_25_1_0.xml

@@ -1,5 +1,8 @@
 <component name="libraryTable">
   <library name="support-fragment-25.1.0">
+    <ANNOTATIONS>
+      <root url="jar://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.android.support/support-fragment/25.1.0/annotations.zip!/" />
+    </ANNOTATIONS>
     <CLASSES>
       <root url="jar://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.android.support/support-fragment/25.1.0/jars/classes.jar!/" />
       <root url="file://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.android.support/support-fragment/25.1.0/res" />

.idea/libraries/support_media_compat_25_1_0.xml

@@ -1,5 +1,8 @@
 <component name="libraryTable">
   <library name="support-media-compat-25.1.0">
+    <ANNOTATIONS>
+      <root url="jar://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.android.support/support-media-compat/25.1.0/annotations.zip!/" />
+    </ANNOTATIONS>
     <CLASSES>
       <root url="jar://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.android.support/support-media-compat/25.1.0/jars/classes.jar!/" />
       <root url="file://$PROJECT_DIR$/library/build/intermediates/exploded-aar/com.android.support/support-media-compat/25.1.0/res" />

.idea/misc.xml

@@ -37,5 +37,5 @@
     <ConfirmationsSetting value="0" id="Add" />
     <ConfirmationsSetting value="0" id="Remove" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.8" project-jdk-type="JavaSDK" />
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.8" project-jdk-type="JavaSDK" />
 </project>

library/build.gradle

@@ -1,4 +1,5 @@
 apply plugin: 'com.android.library'
+apply from: "quality.gradle"
 
 android {
     compileSdkVersion 24
@@ -17,6 +18,11 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
+    lintOptions {
+        warningsAsErrors true
+        disable 'GradleDependency'
+        disable 'OldTargetApi'
+    }
 }
 
 dependencies {