Add credit_time function to calculate hours with logged in user total credit.(OMS-310)
Removing unused translation.(OMS-310)
Merge pull request #4 from opennode/OMS-310

Oms 310
Don't allow username modification.(OMS-309)
Merge pull request #5 from opennode/OMS-309

Don't allow username modification.(OMS-309)
Fixed merge conflict (OMS-334)