made UI changes
Added jquery validations for user form
Corrected jquery slider effect on users show page
Added comment for back method
Added filter validating users
Added filter validating users
Changed notic comment for updating users
minor corrections for user edit
Added comment for check dates method
Added sharer method
Corrected power rating, replaced select with collection_select
Corrected indentation
restricted editing of vehicle information after its being used
UI corrections
restricted editing of engine by normal user
Button UI changes
Tool tip text corrections
Added fixed footer to the site
Removed back button
Seperated user details from users