Writing Panels

Can load a texture and made sprite out of it
Default draw method will display sprites at specified positions
Fixed getActionFromKey returning forward when key was unknown
Merge branch 'cvar' into develop
cmake add threads dependencies, update is in a thread and event adns display in the main one
Merge branch 'develop' of github.com:izissise/PFA into develop
rename lib to libcommon and move include files
Add class for main loop
Move main client loop in clientmain class
Change the CmakeList

Now it compiles on windows
The SFML libs are now statically linked
Removed lib in the common lib
Implemented Widgets

Created a Widget class That inherit from AWidget
Widget has an update and a draw method
The Panel class resumes itself being a Widget container
Update the README
Move console in menu
Merge branch 'feature/mainLoop' into develop
Pannels now update and display their widgets

Widgets also have placement methods
Working on Widgets attributes & organizing menu display

Added methods to easily load sprites from textures
Can now change the style of the text
removed useless assets
remove Event event by const Event &event
Detect clicks on widget

Renamed the widgets so they respect the following syntax: wWidget
Widgets are now declarated with a sf::FloatRect instead of a sf::Vector2f
The Rect will also define the clickable zone
Implemented Widget's update function

Made the Quit button update function close the window
just display the first sprite instead of the list