Clean Up

[fabolhak]

clean up code, issues, repositories to make life easier for new members config auto drive

• [ ] better description of *.sh files
• [x] add compiler version (4.8 required) to readme
• [x] change submodul state of deleted trajectory controller files (?)
• [x] add submodul submodul init / update to readme
• [x] add sudo apt-get install qt5-default to readme
• [ ] delete stale branches ?
• [ ] idea: forbid push directly to master (only pull requests)
• [ ] branch name convention (master = stable, everything else -> feature branches in config auto drive)
• [ ] clean up warnings

in generel

• [ ] clean up issues
• [ ] add readme to each repo with at least 2 sentences of description
• [ ] add parameters with description to readme
• [ ] add dependencies / input & output channels
• [ ] overview of software components
• [ ] update documentation of LMS core
• [ ] clean up milestones