Fixing query bugs in tck
removing library that's not used
removing commented code
Merge branch 'tck_query_fixes' of github.com:jovanchohan/appscale into tck_query_fixes
fixing typo
fixed unit test errors
Fixed allocateid's and transaction retry
removing unnecessary code
Merge pull request #598 from jovanchohan/tck_query_fixes

Tck query fixes