Improved AboutPage
Merged branch 'housekeeping'
Made contributors names into a list and split about page data into several variables
Fixed typos in the about page
Improved credits page space utilization
Renamed variable
Added full names of maintainers
Added my name to the contributors list
Added language translator pair as requested by smurfy and leppa
Reduced spacing and removed separators
Marked strings for translations
Merge remote-tracking branch 'upstream/master'
Moved copyright text to about lib.
[harmattan] Adapted about page to new fields
Changed AboutPage for sailfish
Adapted symbian and bb10 blindly
SYM,BB10: Small fixes to About page

- incorrect content height broke scrolling;
- some margins were too big;
- version is now more translation frinedly.
Merge branch 'newabout'