ILS Tablet/Mobile Enhancements:
-ILS has optimized view for tablets/ipad
-ILS now works on smartphones/iphone
-Tab bar now adapts on window resize
-Activity stream changes (requested by UTWENTE) and "logout" activity is now logged.
 -The text now has default (left) alignment instead of "justified"
Merge pull request #173 from react-epfl/ILS_tablet_fixes

ILS Tablet/Mobile Enhancements & minor fixes: