Merge pull request #4 from sauerbraten-fork/master

Bringing developing to master
Removed private and public recaptcha key
Changed routes to simplify user editing
Cleanup: Removed local test-files from avatarr
Added multiple permission-checker and fixed bug

Added function has_user_permissions;
Fixed bug in has_user_permission
Added ingame_name validation, simplified adding new columns
Added "edit other users"
Merge pull request #5 from sauerbraten-fork/master

Merge dev in master
Added permissions view for groups to edit them

Now it is possible to edit the groups over the interface.
Removed subgroup_model from data-controller
Added edit_others markup to improve view on mobile devices
Fixed has_user_permissions bug and added edit_user_permissions

Added edit_user_permissions to the data-field so the view only shows a
link to the edit permissions section if the user has the permissions to
view them.
Added possibility to add pgroups, improved caching for ther permissions-lib
Added fallback functionality for  isint-helper, added shortcut for escaping

shortcut contains htmlentities() and prevents from replacing the
content.
Added users-groups view to add, remove and change

Now it is possible to add permission-groups to the user, change the
significance and remove the users from the group.
Merge pull request #6 from sauerbraten-fork/developing

Merge Developing