- Updating Gradle project to > 1.0.0

- Updated .gitignore with Github ignore settings
- Updated build tools and SDK versions to 22
- Migrated .gradle files from pre-1.0.0 to post-1.0.0

.idea/compiler.xml

@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="CompilerConfiguration">
-    <option name="DEFAULT_COMPILER" value="Javac" />
     <resourceExtensions />
     <wildcardResourcePatterns>
       <entry name="!?*.java" />
@@ -19,5 +18,4 @@
       </profile>
     </annotationProcessing>
   </component>
-</project>
-
+</project>