finished adding mechanic management (admin)

move adress into association location
add fields for business logic
create custom inputs for simple_form
update UI for managering mechanics
add image uploader
Merge pull request #8 from laudeego/em-add-mechanic-management-admin

finished adding new fields to mechanic
add mechanic profile page
Merge pull request #11 from laudeego/em-mechanic-view-profile

add mechanic profile page
temprori commit in mechanic dashboard feature
navbar&structure ofindex
navbar & sidebar
content
Bootstrap3: header & content
Bootstrap 3: navbar &  content & foter
Rename style.min.css to style.min_css
delete useless styles
helper for rating
finish helper
update css styles naming
Merge pull request #9 from laudeego/em-mechanic-dashboard

Dashboard page
Optimize Gemfile
Adding newline
Possible fix for buggy admin layout switching
Rename service_plan.quote to cost