Merge pull request #606 from derrabus/2.8

JS error "tinyMCE is not defined"
Fixed TinyMCE issue
Cs fixes
Fixed "Remember Me", closes #604
Don't show a empty sticky FAQs box, closes #450
Improved layout for iPad in landscape mode
Fixed wrong path, closes #608
Use icons instead of text
Naming
Added missing multi site feature strings for German and English, closes #612