Fix plurals.

modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/internal/TaskManager.kt

@@ -69,7 +69,7 @@ public class TaskManager @Inject constructor(val args: Args, val incrementalMana
                 log(2, "Marking project ${project.name} as skipped")
                 failedProjects.add(project.name)
                 kobaltError("Not building project ${project.name} since it depends on failed "
-                        + Strings.pluralize("project", fp.size)
+                        + Strings.pluralize(fp.size, "project")
                         + " " + fp.joinToString(","))
             } else {
                 val projectName = project.name

modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/misc/Strings.kt

@@ -4,8 +4,8 @@ import com.google.common.base.CharMatcher
 
 class Strings {
     companion object {
-        fun pluralize(s: String, n: Int) = s + (if (n != 1) "s" else "")
-        fun pluralizeAll(s: String, n: Int) = "$n " + pluralize(s, n)
+        fun pluralize(n:Int, s: String, plural: String = s) = plural + (if (n != 1) "s" else "")
+        fun pluralizeAll(n:Int, s: String, plural: String = s) = "$n " + pluralize(n, s, plural)
     }
 
 }