Merge pull request #4 from abodelot/master

Scripts for packaging Linux release
Added the tracer feature

It will show you your last try and your current try
Upload final version of the tracer
Changes to the config options / Tracer

Added Option to change the antialiasinglevel also to change the time
between two points from a tracer

Change the visual of the tracer

Older configfiles will be compatible
Change the swap of the tracers

Now the tracers will only swap if the new one is longer than the old
one.
Fixed a bug in some levelfiles (music)
Deleted 3 useless musicfiles
Insert a error handling to the network code

Now the game wont crash anylonger if the connection to the online server
fails.
Change the display of network errors

Now the user will see the exact network error
Fixes a bug with the DialogscreenOK

Now the Text cant be selected
Remove the framerate limit and enabled vert. sync
Change the movement of the menu background

Now the background will move always at the same pace
Fixed README formatting and typo.
Merge pull request #5 from fstream/patch-1

Fixed README formatting and typo.
Bugfixes (level progress)

Now the levelprogress will be saved...
Bugfixes+Add 200 to tracer options
Improved linux packaging (arch now included in name) and add missing sources in CMakeLists