Fixed: series remembered when adding
Fixed: Womble's publish date will be treated as UTC instead of local
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New: Show keybaord shortcuts with '?'
New: ctrl+s will save settings
null EmbeddedDocuments are now stored as DBNull instead of json null.
Added MediaInfo to EpisodeFile.
Rewrote most of the renamer token handling code to give it a bit more generic architecture. Also added MediaInfo as possible token.