Merge pull request #61 from dergraf/master

#15 Sign In with Twitter
unused code removed
infotext for twitter login added
Logout-link for Twitter signin implemented
minor changes
Info text for .userinfo added for Twitter signin
Button wording adjusted
label-function applied to twitter-signin as well
Enable reloading of new teasers for timeline view as well
Add home link for logged in users
Array for blocked content providers added
Favicon added
Font-Awesome added to beautify things
Add spinning icon to .state-loading
Instapaper integration
More compact header
useractions block optimised for mobile screens
Hash fix
Bugfix for timeline loading

Without this fix, if the user is logged in, his own timeline is loaded
when loading the page with a hash (like /#davidbauer) attached.
The last fix, fixed for real