Some changes to build files for pushing to Sonatype/Maven Central
Merge branch 'shark-0.11' of https://github.com/amplab/hive into shark-0.11
HIVE-5477 : maven-publish fails because it can't find hive-metastore-0.12.0.pom (Thejas M Nair via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.12@1530080 13f79535-47bb-0310-9956-ffa450edef68
Make Git ignore ASC files generated during publishing
0.11.0-shark-SNAPSHOT => 0.11.0-shark