change algorithm of creating nested subtrips in trip model
add localization for persian
add google analytics to footer
move application partials to application folder
add i18n and translate navbar and create hierachy folder in locals dir
add i18n and translate navbar and create hierachy folder in locals dir
translate search subtrips form
change avatar default image to use own default pics not gravatar
load validation messages_fa.js file when locale is fa. validate search subtrips