[processing] more fixes for i18n support
[processing] fix handling of boolean parameters in modeller
[TRANSUP] some update for processing and transifex

Signed-off-by: Werner Macho <werner.macho@gmail.com>
CAD tools, create QgsMapMoveEvent to deal with mouse event in map coordinates, QgsMapToolMapCoordinates a map tool in map coordinates
using multiple inheritance
fixes, handle several errors, display message if error
add calculation capacity using QgsExpression
remove last points, better snapping choice in filter
display error message if cad tools are not enabled
add soft angle, fix updating capacities
add soft capabilities to all constraints, fix paint item
fix filter key events
add config option for snapping and soft constraint
fix SIP
fix visibility action + error message
restore CAD enabled when reenabling map tool, map event filter is installed only when cad is enabled
force showing the dock if CAD enabled when changing map tool
remove warnings, more doc