aligned translations to source file

removed an unneccessary space at the end of about_openstreetmap in
english source translation file
aligned translation files to english source translation file (added
reminders for missing translations)
added line-breaks to values-gr
changed indent size from 2 to 4 in values-iw
removed unneccessary line-breaks in values-mr
Merge pull request #688 from Djfe/master

aligned translations to source file
Issue #679, get url for tiles at runtime
Merge pull request #689 from garvankeeley/issue_679

Issue #679, get url for tiles at runtime
Update strings.xml
Update strings.xml
Update zh-TW strings
Merge pull request #691 from petercpg/0708_zhtw

Update zh-TW strings
Merge pull request #690 from stripTM/patch-6

Update strings.xml
MozStumbler v0.20.9
Merge pull request #692 from garvankeeley/0.20.9

Release 0.20.9