Release v1.2-beta

Fixed

• Fixed bug in agent plugin when no suite dir is present at all
• Cleanup in v1.6 bakery script

Added

• New WATO option: option to re-execute failed tests of a suite (#150)

Changed

• Robot params in robotmk.yml are now within subkey "robot_params"

Removed

• Removed Robotmk keywords from agent plugin; better install with pip