Merge pull request #83 from XBeg9/creditCardCell

Credit card cell improvements
Fix syntax format in pull request #83, so it follows original code style
Update xccheckout
Fix offset in iOS 7, reference #83
Add note about REPickerItem
int -> NSInteger to support 64-bit processor, #82
Fix remaining int variables, #82
Adjust action bar style in order to match keyboard appearance, fix #57
Merge branch 'master' of https://github.com/romaonthego/RETableViewManager
Version bump 1.3.3