User: selection mechanic by schedule - acceptence tests v0.1
Some improvements for mobile devices
User: selection mechanic by schedule - setup fullcalendar

add fullcalendar into mechanic description section on "Book Appointment" page
update events collection
update tests
create adding date into hidden field by click on time slot in calendar
picking mechanic validation - temporary commit
User: selection mechanic by schedule - add validation and error messages
User: selection mechanic by schedule - adding event when job assign
fix time zone
User: selection mechanic by schedule - mechanic destroy validation

mechanic could not delete event which has job from his availability calendar
update mechanic picking notification email subject/text
Add service periods - fix routes bag
invitation email to mechanic update subject/text
Merge branch 'master' into em-pick-mechanic-schedule

Conflicts:
	spec/features/users/appointment_spec.rb
User: selection mechanic by schedule - new user notification email

update email text from issue with user notifications emails
fix tests
fix bug with method callind queue