LPS-43933 no logic changes - Copy from blogs
LPS-43933 Add notifications framework to wiki
LPS-43933 Use constants
LPS-43933 Use fetch because get throws NoSuch*Exception
LPS-43933 No need to set that parameter (if you don't set it the latest version will be used)
LPS-43934 no logic changes - Copy from blogs
LPS-43934 Add notifications framework to document library
LPS-43934 Use constants
LPS-43934 In the language keys we use the term "Document" instead of file entry
LPS-43934 Keys should be changed too
LPS-43934 Source formatting
LPS-43934 Update message to reflect that the user is actually subscribed to the folder
LPS-43915, LPS-43933 & LPS-43934 Fix lang keys
LPS-43915, LPS-43933 & LPS-43934 Update usages of the language keys
LPS-43915, LPS-43933 & LPS-43934 Lang keys