add initial framework generated by intellij plus an icon and antlr v4…

….1 lib needed to parse antlr grammars themselves and generate code from plugin.

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2013, Antlr Project
+Copyright (c) 2013, Terence Parr
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without modification,

META-INF/plugin.xml

@@ -0,0 +1,42 @@
+<idea-plugin version="2">
+  <id>com.yourcompany.unique.plugin.id</id>
+  <name>Plugin display name here</name>
+  <version>1.0</version>
+  <vendor email="[email protected]" url="http://www.yourcompany.com">YourCompany</vendor>
+
+  <description><![CDATA[
+      Enter short description for your plugin here.<br>
+      <small>most HTML tags may be used</small>
+      ]]></description>
+
+  <change-notes><![CDATA[
+      Add change notes here.<br>
+      <small>most HTML tags may be used</small>
+      ]]>
+  </change-notes>
+
+  <!-- please see http://confluence.jetbrains.net/display/IDEADEV/Build+Number+Ranges for description -->
+  <idea-version since-build="107.105"/>
+
+  <!-- please see http://confluence.jetbrains.net/display/IDEADEV/Plugin+Compatibility+with+IntelliJ+Platform+Products
+       on how to target different products -->
+  <!-- uncomment to enable plugin in all products
+  <depends>com.intellij.modules.lang</depends>
+  -->
+
+  <application-components>
+    <!-- Add your application components here -->
+  </application-components>
+
+  <project-components>
+    <!-- Add your project components here -->
+  </project-components>
+
+  <actions>
+    <!-- Add your actions here -->
+  </actions>
+
+  <extensions defaultExtensionNs="com.intellij">
+    <!-- Add your extensions here -->
+  </extensions>
+</idea-plugin>