rails init

config some routes

some change

start to build calendar

basic add and query tasks for users everyday

implemented update task

implemented delete task

change the JSON struct for the data to be stored

can add feedback now

add some prompt messages when user error occurs

fixed some bugs caused by the use of $apply

fixed the assets problem for deploy to heroku

add favicon, change some style

feat(all) add changePass, resetPass and remove register page