no more authentication in db
using font awesome gem, since RAILS_RELATIVE_ROOT is considered then

plus easier updating
no more authentication when connecting to server
removed sensitive db file from repository
some adaptions for deploying
ugly fix for suburl bug
added google analytics tracking code
some gem updates in lockfile
Merge branch 'master' into no_mongo_pw
corrected some asset paths (trough sass precompile)
fixed root_url for dev/prod environment
put js into header