added setImage and getImage to ofxUIImageButton and ofxUIImageToggle
added ofxUIGLWrapper
Merge branch 'develop' of https://github.com/jtnimoy/ofxUI
further along in creating GL conduit
Merge branch 'develop' of https://github.com/jtnimoy/ofxUI
introduced namespace and static state vars
adding more skeleton funcs
Merge branch 'develop' of https://github.com/jtnimoy/ofxUI
Use a structural class to save style state