windows.c: remove useless printf
windows.c: remove duplicate code in ui_get_idle_time
fix possible buffer overflow in _ui_draw_win_title
Merge pull request #117 from pasis/fixes

Fix possible buffer overflow in _ui_draw_win_title
Added comments to ui_get_idle_time
Merge remote-tracking branch 'dmitry/next'

Conflicts:
	src/windows.c