The activities edit form supports now the selection of a group.
In the Details page the long name of the group is shown
moved frontendtests to own directory

easier testing in WebStorm
changed the event for verificating required fields
new styles in frontend to create URLs

- twitterify
- mailtoify
- urlify
small README for frontendtests
Merge branch 'master' of https://github.com/softwerkskammer/NeuePlattform-Implementierung
package.json: updated devDependencies of grunt-mocha-hack to ~0.1.0
Merge pull request #120 from leider/master

nice one
Merge pull request #122 from fdeberle/master

package.json: updated devDependencies of grunt-mocha-hack to ~0.1.0
Merge pull request #121 from janbaer/master

Integration der Gruppen in die Activities. 
* Minor comments on first commit ;-)