updated readme to include official pod version

bumped podspec version

added screenshot of example app for podfile

updated ignore file

added method for creating bar button items from code. updated example (had to rearrange tabbar and navigation controllers, because a tab bar may contain a navigation but not the other way around (apple guidelines))

added font registration workaround for IOS 7.0

added a UIButton subclass which supports icon-only buttons for now. added a static tableview to the example containing example buttons

added a small section on tab bar items to readme

moved file to intended filename

updated readme and added screenshot of button in example application

added some interface builder screenshots and added bar buttons to readme

moved icon selection into a category. added support for UITabBarItems (with a new way to specify the icon via brackets)

added tab bar controller to nib file to prepare the next step: custom tab bar items

image scale now with retina support and according to human interface guidelines

first implementation of bar button item subclass, added pod file for example & added bar buttons to storyboard for testing it out