Merge branch 'VE-1130' into VE-1145
VE-1145: Handle pointing to local or global favicon
Merge branch 'VE-1025' into VE-1145
VE-1145: oops, removing logging
VE-1145: Purge cache when uploading via ThemeDesigner
VE-1145: Code review feedback
VE-1147: Script to remove default favicons
VE-1146: Removing anything releated to Favicon in CreateWiki
VE-1145: Removing hook handler for removed hook
VE-1145: Change method name to getFaviconFullUrl
Merge pull request #3846 from Wikia/VE-1146

VE-1146: Removing anything releated to Favicon in CreateWiki
Merge pull request #3840 from Wikia/VE-1147-new

VE-1147: Script to remove default favicons
Merge pull request #3819 from Wikia/VE-1145

VE-1145: Handle global/local favicon
Merge pull request #3849 from Wikia/VE-1025

VE-1025