Add UCheckbox and its demo. Also include FontAwesome
Changed Json lib to QT Json

 * Interface JsonSerializable interface
 * JsonSerializer to use it
 * UCondition isn't done yet
Change file name.
Wtf file
Cleaned uCtrlCore.pro
QML radiobutton developpement
Developping radiobutton

A# Please dding usystem .h/.cpp  files
enter the commit message for your changes. Lines starting
Developping radiobutton
QML radiobutton developpement

Developping radiobutton

A# Please dding usystem .h/.cpp  files
enter the commit message for your changes. Lines starting

Developping radiobutton

Correcting bugs

- make radio button unselectable
- removing uneccessary comment
Modifying radiobutton circle size
Merge pull request #54 from uCtrl/RadioButton

Radio button
Merge pull request #53 from uCtrl/QtJson

Changed Json lib to QT Json
Merge addCheckbox
Merge branch 'master' into bindings

Conflicts:
	src/uCtrlCore/Scenario/uscenario.cpp
	src/uCtrlCore/Scenario/uscenario.h