Added support for generating bld output as JSON so that it can be consumed by other tools.

Added wrapper support for local Maven repository bld snapshots.
Updated version to 2.0.0-SNAPSHOT.

src/main/resources/BLD_VERSION

@@ -1 +1 @@
-1.9.2-SNAPSHOT
+2.0.0-SNAPSHOT

src/main/resources/templates/bld/executor_error.json

@@ -0,0 +1,3 @@
+{
+  "error": "{{v error-message/}}"
+}

src/main/resources/templates/bld/executor_execute.json

@@ -0,0 +1,8 @@
+{
+  "commands": {{{v commands}}{{/v}}{{b command}}{{v separator/}}
+    "{{v command/}}": {
+      "out": "{{v out/}}",
+      "err": "{{v err/}}"
+    }{{/b}}
+  }
+}

src/main/resources/templates/bld/help_commands.json

@@ -0,0 +1,6 @@
+{
+  {{v error}}{{/v}}{{b error}}"error": "{{v error-message/}}",
+  {{/b}}"commands": {{{v commands}}{{/v}}{{b command}}{{v separator/}}
+      "{{v command/}}": "{{v summary/}}"{{/b}}
+  }
+}

src/main/resources/templates/bld/help_description.json

@@ -0,0 +1,5 @@
+{
+  "description": {
+    "{{v command/}}": "{{v description/}}"
+  }
+}