Update strings.xml

A big update, thanks!
Wrap expected long strings
Added test for preserve spaces at first of line
Should preserve spaces at first of line.
Added more tests for preserve spaces
Fix to preserve spaces
Re-desined textToHtml() according to the state transition diagram.
Remove comment markers around translated string
Merge branch 'pr/305'
Fix errors in pt-BR translation
Brazilian portuguese translation and fixes 2

Update and fixes, thanks
added messageview_autofit_width and translation
Fixed typo
Updated Japanese translation.
Merge pull request #308 from jca02266/master

Japanese ChangeLog
Merge pull request #309 from jca02266/preserve-spaces

Fixed issue 5630: Quotes are missing a space between > and the quoted text
Merge remote-tracking branch 'origin/pr/307'
Merge remote-tracking branch 'origin/pr/306'
Move Japanese translation of the changelog into the correct directory
Remove override annotation so we can use the latest SDK to compile