Update in CW31

Bugfixes

:Throbax_Bubble: When volume gets set to 0, then the Music/Sound is still present, albeit very silent. Done. :Throbax_Bubble: The volume sliders are not working smoothly when dragging the mouse on them. Disable that functionality. Done. :Throbax_Bubble: When double-clicking on the level background the selection of the hero disapears. Done :Throbax_Bubble: Entering enemies appear too late when coming from the right. Done. :Throbax_Bubble: When the volume gets set to zero, mute the corresponding channel. Done. PS: If you encounter problems and want to report them please refert to this thread: http://steamcommunity.com/app/341570/discussions/0/496880503067139198/ PPS: Up to date list on know issues can be found at http://steamcommunity.com/app/341570/discussions/0/496880503067363362/