update french translations
Fix frameSetShape function
Added titleless maximization feature

Conflicts:
	settings-dialogs/xfwm4-settings.c
	settings-dialogs/xfwm4-tweaks-dialog.glade
Tweak frame.c functions to activate titleless option (when window is fully maximized only).
force redraw titleless maximized window when resizing to show title
sparse draw button code in a new function frameDrawButtons
change top border creation for hiding capabilities
(add frameTopBorder and frameTitle functions)
Enable hiding top border when maximized
Split title-*.xpm into title and top border part if top-3-active.xpm don't exist
add optional top_border_height parameter
add optional top_border_maximize parameter
update french translations