added boolean to allow users to load the UI with triggering the callback
fix dropdown
Merge pull request #119 from samdraz/develop

fix dropdown
ofxUITabBar initial commit.
ofxUITabBar example initial commit
added a method to get the currently active canvas
Merge pull request #123 from smallfly/feature/tab-bar

Feature/tab bar
added ability to drag select toggles in a matrix toggle by pressing any key when dragging and easy functions to ofxUIEventArgs to get button, toggle, slider, name
Merge branch 'develop' of github.com:rezaali/ofxUI into develop
added functionality to allow an ofxUISlider min and max to change and retain its current value
push/pop attrib around draw
fixed spacing
fixed text input field on enter focus off for UI
fixed style leaking issues