add currency,account, category, type tables
add transaction categories scaffold
change something about ui
setup i18n
i18n some page
change layout again
replace erb with haml
add configure language
update language ok
change relation name of account_types
add user_id to currencies
remove abbr from currencies
add type to currency
setup currencies after create user
change accounts to sti
fix user controller test
tmp commit for scope
add scope automatically
fix spec bug
refactor