New: files automatically link upon adding to project

-Removed drop down option to auto-link files

-AutoLink now takes a specific file name as a parameter and has much less stupid logic

-linkMeiToDiva function now takes in text filenames as parameters and has much less stupid logic

-newFile listener automatically links if possible

Refs #87, Refs #92, Refs
New: Diva automatically scrolls to newly linked page

-link files box also closes when you link the last available file

Resolves https://github.com/DDMAL/cantus/issues/92
Fixed: load from server options no longer disappear

Resolves #86