extended user logs to create/delete/fork repositories for auditing
some spelling corrections

permission refactoring,
Implemented views for default permissions,
fixes #23 user registration is controlled by permission system.
Implemented manual registration option
websetup fills default permissions

rename repo2perm into repo_to_perm
added UserToPerm models for user global permissions

Added separate create repository views for non administrative users.
Fixed permission issue with private repos

routes python 2.5 compatible
added my account settings,
some changes to routes mappers for settings to more custom ones

Added initial query skipp when seting up the app.
Added internal server error when deleting user using ajax permission form
removed graph unneded code

Added extra validation in creating users.
new style errors for users

Added new style error display,
fixed changing repo name to existing one
some sa session remove added
rename repo BIG bug, when renaming to existing name was fixed