Renaming 1.12-SNAPSHOT to 2.0-SNAPSHOT in preparation for release.

Change-Id: Iafae6d8a575059f956a702ff7537d7aebd1d7dab
diff --git a/pom.xml b/pom.xml
index f3f7531..c84c60f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
     </parent>
 
     <artifactId>onos-yang-tools</artifactId>
-    <version>1.12-SNAPSHOT</version>
+    <version>2.0-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <properties>