Polyfills for unpatched versions of PHP 5.3.2 - 5.3.6 not working.  They are probably not needed at all.
#278 - explicit deletion of user preferences
Performance - do not check fact privacy twice
Updated NB translation by Eyolf
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Users cannot visit 'my page' of trees for which they have only visitor access
Fix #1382999 / #277 - errors when a module stops implementing an interface
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HTML keyword examples fail when favorites module disabled
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Updated NN translation by hrn
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PHPDoc / unit tests
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