Merge pull request #17 from 0hoo/master

checkbox and partial update
Merge pull request #18 from 0hoo/master

add missing files
Disable checkbox if the user has no permission
Return current revision when perform partial updating
Remove dups
Prevent circular redirection
Merge two checkbox markdown extensions into one
Add more tests for custom schema
Handle regular english plurals correctly
Remove duplicated regex expressions
Remove deferred update option from WikiPage.delete()
Turn views.py into views package
Minor fixes
Minor fixes
Remove some duplications
Minor tweaks related to coding style
Fix broken tests and remove some dups
Remove dups in ACL tests
Reduce more dups
Introduce resource and representation