Merge pull request #57 from haibt/master

Remove static jQuery files
Remove the bootstrap and restore to use default layout
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Complete to change plugin's layout to Redmine's default layout
Merge branch 'default_layout'
Merge remote-tracking branch 'origin/master'