Merge pull request #11 from soloara/refactor

Convert tab to space
config Travis-CI. Qiu
Travis-CI is runing. Qiu
update Travis-CI config file. Qiu
reset database.yml file. Qiu
remove production config from database.yml file. Qiu
rename database.yml. Qiu
update travis-ci script to create database.yml file. Qiu
update status of CI on README.md. Qiu
format js file. Qiu
code snippet for shell file.
no need to validate password when updating publisher profile. Qiu
fix cannot update publisher bug. Qiu
reuse login_as methond. Qiu
remove unnecessary file. Qiu
fix build. Qiu
add atachment comment model and controller
fix cannot see tasks in edit page. Qiu
re-structure css files. Qiu
add a render while uploading fail