add google autocomplete for cities text_filed in search subtrip form
add jalalidate to gemfile and convert jalali date to geregurian date in search subtrip form
find subtips by given search data in subtrip_search.rb
create a js file for googlemap functions
create application_new_jquery for seprating layout of trips controller to use new jquery in it
create methods to provide options for jalali date fields
improvement in migration files by moving add/rename/relpace into create migrations
replace user image with avatar attachment
rename datetime to date_time in subtrip model and skip cancan
seed for Iran cities and states
add jalali calender to insert trip procedure
show user gravatar in navbar
clean up insert trip
make insert via points depend on a counter(for now it is 4)