Fix #1170 Add "Don't Assign" option when configuring inputs
Fix #1153 Cleanup logging code
Fixed compiler warning.
Avoid writing the players.xml file multiple time at the exit time.
Use CMAKE_CXX_FLAGS instead of add_definitions for additional flags
Fix loss of associated online user name if stk is played offline
(might be a fix for #1595).
Fixed compiler warnings
Fixed missing quotes
No idea

I have no idea why these files have to be committed by me after rebasing