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
remove menu items strings from previous files

moved to MenuItems.strings
calls to shell ack reimplemented in ruby
added corrupted key from shortcut recorder code
return the code for propagate task