added layout for event and talk cells, attempted to fix multiline label autolayout issue
changed read-indicator to exclamation mark
replaced exclamation mark by conventional point as read-indicator
fixed news cell layout using dynamic cell heights
added source to event and talk cells
added dynamic cell layout to event and talk cells
fixed image width
fixed Swift issues in UHDMensaDayPicker, issue with popover segues encountered
Merge branch 'News' into Mensa
mensa cell layout and fixed favourite mensen view