Design improvments: Permission childs aligned to top; link-button
Permissions-link bugfix on user/edit_others view
Added permissions index-page, added switch button for users

Switch button: Switches between user-level and group-level
index-page:
- link to groups-managment
- link to users via entering user-url
- explanation of the permissions-system
Simplified and fixed bug for has_user_permission

by using has_user_specific_permission instead of using other more
difficult code.
Added adaptive css' and made user-profiles responsive
Changed views for responsiveness
Added media-query possibility to dcss()
Added mail-templating
Added possibility to manually activate users
Added E-Mail verification + activation
Replaced hardcoded alt "sauerfork" with {sitetitle}-variable
Added auto-linking to activity_log; moved link_links() and get_youtube_links() to autoload_helper
CSS: Removed password letter-spacing, added CSS for usermenu
Added and implemented user menu

View menu by clicking the avatar on the top right.
Includes normal links and links depending on your permissions.
Splitted CSS in site-specific parts, added CSS-load

Added CSS-loading function in headers,
Set default module css to /data/css/modules/<module>.css
Fixed lc*-verification, set default ingame-name to username

* lower-case
set form to NULL*; Fully disabled autocomplete

* so form-actions are now the same page.
Fully disabled autocomplete with autocomplte="off" and chrome
workaround: Adding chrome-autofill-honeypods at the start of the form
Added Read more.. for posts with pagebreak; pagebreak in childs do not result in markup-error anymore
Added comments to all helpers, models, libraries and controllers
Merge pull request #7 from sauerbraten-fork/developing

Merge developing into master