Added confirm message if user wants to leave a page with unsaved changes#25

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sfetzel wants to merge 3 commits intotyleryasaka:masterfrom sfetzel:master

Commits on Aug 23, 2017

Added language files and config option "confirmUnsavedChanged".
Simon Fetzel
committed
corrected typo
Simon Fetzel
committed
renamed configuration option from confirmUnsavedChanged to confirmUnsavedChanges
Simon Fetzel
committed