built prototype layout of question detail page
adapted index.html to new server
refactored async load of nested data in model
implemented getSimilarThread in qaModel using SSSearch
adapted model to new parameter in SSSearch
load and add answers in question detail page dynamically
added ngTagsInput version 2.0.1
added tag methods in qaModel
added tag and attachment feature
bug fix in api call SSDiscEntryAdd (wrong number of parameter)
refactored userinterface
added up / down images
cleaned up css file, refactored template (paid attention to responsiveness)
minor changes in css file
minor changes in question.tpl
changed position of post button
fixed major navbar responsivness issues
implemented chat modul
fixed merge conflicts