Fixed #553: Switch projector control scroll arrows
Merge pull request #594 from emanuelschuetze/last-1.4a1-changes

Fixed #553: Switch projector control scroll arrows
Use Fabric in travis and insert a fabfile for developers
Merge pull request #596 from normanjaeckel/Fabric

Use Fabric in travis and insert a fabfile for developers
Update fabfile to reinsert coverage plain report to travis
Merge pull request #598 from normanjaeckel/UpdateFabfile

Update fabfile to reinsert coverage plain report to travis