prefix for locks
fixed prefix issue with transactions and wrote standardized unit tests
cleaned up code
moved zk interactions to be app_id and not prefix
merged and fixed conflicts
Merge branch 'dashboard-use-private-ip' of github.com:shatterednirvana/appscale into prefix-fix
fixed issue where it was not correctly removing duplicates, and also cleaned the code up a bit
Merge pull request #462 from nlake44/prefix-fix

Prefix fix for transactions