Moved Travis to Docker.
Moved Travis to Docker.

amitdo/clstm,MichalBusta/clstm,kba/clstm,kba/clstm,tmbdev/clstm,MichalBusta/clstm,MichalBusta/clstm,jbaiter/clstm,jbaiter/clstm,ryanfb/clstm,mittagessen/clstm,tmbdev/clstm,jbaiter/clstm,tmbdev/clstm,amitdo/clstm,amitdo/clstm,ryanfb/clstm,amitdo/clstm,kba/clstm,ryanfb/clstm,kba/clstm,mittagessen/clstm,tmbdev/clstm,mittagessen/clstm,MichalBusta/clstm,jbaiter/clstm