trigger :notes_unsent when necessary during checkout/checkin
fixed weird spacing in rake messages
fixed numerous errors in email view
updated mailman rake task to use scope
implemented e-mail link fix
merge fix take 2
whoops undid some VIM replacing
fixed missing spaces
Merge branch 'release-v3.4' into 906_notes_unsent

Conflicts:
	app/views/admin_mailer/_reservation_note.html.erb
Merge pull request #908 from YaleSTC/906_notes_unsent

resolves #906 on v3.4