Merge pull request #8 from dulaccc/enhance-configuration

Enhance configuration
Fixed Init issue in KLControllerCard
Fix issue #12 because of scaling back to scale 1:1 somehow wasn't correct
Fix Long press then slide the card is not working
Merge pull request #18 from KuroroSam/master

Long press then slide the card is not working
Merge pull request #16 from dexcell/master

Fixed scale bug
Add a `cardNavigationBarClass` configuration option

Apple introduce in iOS5 a new `UINavigationController` method
`initWithNavigationBarClass:toolbarClass:` to properly customize the
navigation bar used. I think it's important that we can control that
aspect.