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
replaced Kernel.puts with Djinn.log_debug in HelperFunctions so that it gets logged to the AppDashboard
replacing newlines with br so that it formats nicely in the web ui
Merge pull request #597 from shatterednirvana/replace-puts-with-debug

Replace Kernel.puts with Djinn.log_debug
Fixed allocateid's and transaction retry
removing unnecessary code
Merge pull request #598 from jovanchohan/tck_query_fixes

Tck query fixes
installing wget before we use it, so that we can wget rabbitmq files
having build process fail if initial apt package installation fails
fixing groomer issue
fixing groomer unit test
Merge pull request #601 from jovanchohan/groomer_fix

fixing groomer issue
using dbconstants variable
Merge pull request #602 from jovanchohan/db_server_constant

using dbconstants variable
Merge pull request #600 from shatterednirvana/install-wget-before-using-it

installing wget before we use it, so that we can wget rabbitmq files