Bump up to 0.8.2-SNAPSHOT
AstRewrite for count distinct can cause unexpected issues with certain queries.
Continue without rewrite under any issues in rewriting.
Fix hadoop 0.23.9 compatibility
Merge pull request #267 from sundeepn/astrewritefix

AstRewrite for count distinct can cause unexpected issues with certain queries
Merge pull request #268 from sundeepn/hadoop2

Fix hadoop 0.23.9 compatibility
Merge branch 'branch-0.8' of https://github.com/amplab/shark into master-csd