Adds disable reason enums for disabling entities
Adds vim swap files to gitignore
Adds center and station new fields and migrations files
Adds function to get links for datatables
Adds disable reason form and html template
Adds view for disabling and needed urls
Adds function disableEnableEntity
Adds flash messages in center list
Adds enable center and station option
Adds enable center and station link
Merge remote-tracking branch 'origin/master' into dev3