With Bangla

Added Bangla Language
Merge remote-tracking branch 'x/master'
Bangla.lproj -> Bengali.lproj (required by Xcode)
Updated Korean translation
Merge pull request #374 from Saberre/master

Updated Korean translation
extract-crash-info generates full email subject
fixes Japanese spell miss
Merge pull request #375 from eru/master

fixes Japanese spell miss
French translation updates of 1.5.20
Merge pull request #376 from Yann-R/master

French translation updates of 1.5.20
Browser Window should not be restorable
introduced MenuItems.strings
add post-processing of MenuItems to propagate task
MenuItems.strings propagated to all other languages

I tried to reuse existing localizations
fixed constraints in the about pane of preferences dialog
Updates to menu items in French
Merge pull request #377 from Yann-R/master

Updates to menu items in French
fix wording in comments of MenuItems.strings
removed files which are not used anymore
refactoring of cherrypick task