Migrate SDK to support v2 API. Bump version to 2.0.0

Author: sameerjfreaks

.gitignore

@@ -1,3 +1,25 @@
+*.class
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.ear
+
+# exclude jar for gradle wrapper
+!gradle/wrapper/*.jar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+# build files
+**/target
+target
+.gradle
+build
+
 # Eclipse
 .classpath
 .project