Merge pull request #56 from AsydSolutions/devel

Undeploy
Merge pull request #57 from AsydSolutions/devel

Set variables from deploys
Merge remote-tracking branch 'upstream/devel' into devel
German documentation improvements
Merge pull request #59 from AsydSolutions/devel

German docu + fixes
Merge pull request #60 from Fusl/devel

German Corrections
Merge pull request #61 from AsydSolutions/devel

German documentation improvements
Mutex so the DB doesn't crash when assigning opt_vars
more interlocks when modifying hosts db
Merge pull request #63 from Mephiston/devel

Email now accepts self-signed SSL and show errors
typo fix