Added support for custom button background image.
Added support for separate button title font color.
Button title font size is set to fixed and separate value from title font size.

Currently button height is fixed to 31 px. When title font size was set to bigger value like 16 button was looking bad.
Added support for separate content text color.
Added missing values in design.json.
Added support for separate button title shadow color.
Added support for separate button title shadow offset values.
Fix minor comment typo
* Used bounds instead of frame to receive the view controller's width
Merge branch 'master' of github.com:toursprung/TSMessages
Merge branch 'master' of github.com:Jercik/TSMessages into Jercik-master
* Finished merging
Merge pull request #22 from interstateone/typo

Fix minor comment typo
* Fixed rotation issues when message is shown on the bottom of the screen
* Added method to dismiss the currently active notification
* Fixed problem with auto resizing when notification was displayed on top
* Removed unused character
Updated README with 0.9.3 change log
Added a public method to check if the notification is active.
Merge pull request #26 from w5mith/master

Adds the ability to check if the notification is active.