Comply PEP-8
Remove duplicated code
Remove circular dependency between PageOperationMixin and WikiPage
Minor refactorings
Add basic support for page hierarchy
More refactorings
Regard ancestor pages as outlinks
Do not remove slash(/) when normalizing title
Minor fix
Fix bug where custom schema doesn't inherit parent properties
Remove duplications in test cases
Minor refactoring
Add appstats config to app.yaml.sample
Add appengine_config.py.sample for stats
checkbox and partial update
Merge pull request #17 from 0hoo/master

checkbox and partial update
add missing files
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