add logo
add nav menu
add girl
add category icons and add contrast
Merge remote-tracking branch 'pb/master'
transport icons to categories
add working menu links
change forms on js forms
first step ajax form: 'ajax:error response'
second step ajax form: 'error display to the right of each field'
add style for form's errors
third step ajax form: 'add effects for errors'
last step ajax form: 'success'
fifth step ajax form: 'clear input value'
add ajax form signin
add different menu
end ajax form for signin
add ajax form reset_password
change advertisements style
merge with failed queues