Modify travis.yml for cmake version
Modify travis.yml for cmake version

dbaarda/librsync,yrgoldteeth/librsync,sourcefrog/librsync,librsync/librsync,sourcefrog/librsync,sourcefrog/librsync,dbaarda/librsync,sourcefrog/librsync,dbaarda/librsync,librsync/librsync,Salamek/librsync,yrgoldteeth/librsync,dbaarda/librsync,Salamek/librsync,Salamek/librsync,librsync/librsync,yrgoldteeth/librsync,yrgoldteeth/librsync,librsync/librsync