replaced airbrake gem with party_foul and installed
added PartyFoul section to deploy script
removed airbrake from deploy.rb
added party_foul to production.rb
extract checkin, checkout and organize model methods
provide fallback for nil notes
Merge branch 'master' into 836_refactor_reservations_controller
further optimizations/reorganizing
extend testing coverage
Merge pull request #897 from YaleSTC/494_import_equipment

[v3.4] 494 import equipment
Fixed typo
Merge branch 'master' into 836_refactor_reservations_controller
whitespace before note header
better test coverage
fix logic to add header
log all edits to notes
tried to fix failing tests
human readable dates
adjust logic for unsent notes
fixed weird spacing in rake messages