Override checkbox's CSS to reduce the height. Not sure if it's safe, oh well
Removed required option for Branch and Group
Fixed checkbox positioning
Save phone code's too when sending message
Add price and change column to decimal to save it as price
Added scaffold for Countries
Set the correct price for a message
Add credit balance to Center
Removed used from Credit and update fixture to reflect new changes
Creating new credit will increase a center's credit balance
Added locale for Malaysia from: https://github.com/svenfuchs/rails-i18n. Will probably use gem money later
Updated the way credit balance is checked and shown
Remove unused codes
Change the way message are send by saving the cost for sending it in the Message itself
Handles when there's an error during updating message status with Twilio