Merge pull request ethz-asl#54 from ethz-asl/fix/version_number

fix version number.

Merge pull request ethz-asl#49 from ethz-asl/feature/remove_anyworker…

…_dependency

[Gui] Replace any_worker with ros::Timer.

Merge pull request ethz-asl#47 from ethz-asl/fix/gui_cmakelist

Fix/gui cmakelist

Merge pull request ethz-asl#46 from ethz-asl/fix/version_tag

Updated version tag in all packages.

Merge pull request ethz-asl#41 from ethz-asl/feature/jenkins

Feature/jenkins

Merge pull request ethz-asl#39 from ethz-asl/feature/firmware_1_5_12

Feature/firmware 1.5.12 with lib SBP 2.3.15

1.4.0