Merge pull request #855 from NicoleRauch/master

SoCraTes now has users.
minimini layout change in goodbye page of softwerkskammer
new sponsorship page
Adding frontend validation for new SoCraTes "members"
word-breaking links now to avoid overflow
Merge pull request #856 from leider/master

Adding frontend validation for new SoCraTes "members"
socrates run config for WebStorm
mini layout fix (loginmenu in softwerkskammer)
fixing sending of notifications on new member registration
made logos tranparent
new paragraph in SoCraTes "It's about fun"
new layout for sponsors (random / 2 columns on wide screen)
Merge pull request #857 from leider/master

fixing sending of notifications on new member registration
minor layout / typos fixes
wiki integrated
corrected softwerkskammer resignment form
Merge branch 'master' of https://github.com/leider/Agora
Merge pull request #858 from leider/master

wiki integrated into SoCraTes
SoCraTes login now uses similar mechanism for redirects as softwerkskammer
externalized partner conference links