corrected syntax errors
the method is called formatTextString not formatDisplayString, I hope
took out password option. ofxUITextArea does not have a password option. this would be a separate feature if I did it
not using special inputSubmitted event, using regular triggerEvent(this)
fixed ofxUIMultiLineTextInput::setVisible to actually take a boolean
don't use nonexistent xCorrection of ofxUITextArea
added convenience arithmetic functions to ofxUITextArea
hooking in fonts