Add debug mode.
Bugfix:

1. When st 404.html not display user info
2. Display error message is '???'
Merge pull request #27 from xtao/vilya

Add debug mode.
Merge pull request #28 from dongweiming/bugfix_error_html

Bugfix:
modify setup_databases for now
Modify README for correct sql path
Merge pull request #30 from dongweiming/modify_setup_databases

modify setup_databases for now
Update readme about vilya.
Feature for when signup validate email
Merge pull request #31 from dongweiming/feature_validate_email

Feature for when signup validate email
Update README.md
Merge pull request #33 from davideuler/patch-1

Update README.md
Update README.
Fix new project redirect.
Bugfix: Create project but project has exists
Merge pull request #40 from xtao/fix-new-project

Fix new project redirect.
Merge branch 'master' into bugfix_when_project_has_exists
Resolve conflicts not use locals
Merge pull request #41 from dongweiming/bugfix_when_project_has_exists

Bugfix: Create project but project has exists
Add centos && ubuntu && gentoo install code scripts

Add install_code.sh

Modify install_code.sh curl method

Add fedora script