Merge pull request #841 from fdeberle/bugfix/readme

Update some commands in README.md
Fixing #840 (vagrant-trouble)
Merge pull request #842 from leider/master

Fixing #840 (vagrant-trouble)
add LESS to WebStorm ignorable watchers
massive lay outing changes - looks not so big :)
the SoCraTes Collection is online again
exposing port for SoCraTes 17224
Merge pull request #843 from leider/master

Tweaking SoCraTes site
incorporating feedback for layout of new SoCraTes site
incorporating feedback for layout of new SoCraTes site
Merge commit '3bd9b1ed381e67dcd597245788cb23f9ba6915d6'
oops - less "bug" in SoCraTes
some more tweaks on SoCraTes pages
Added CodeFreeze to Partner Events
Removed GDCR from titlepage.
Added a hint indicating where the original of the file is kept.
New groups now get a default color (pink, in the hope that everybody will change it...). It is non-trivial to add a proper frontend validator, so we only add backend validation for the color field.
Adapted a test, added a new one.
Merge pull request #844 from NicoleRauch/master

Removed GDCR and improved color checking of groups
Layout tweaks