refactor template according tornado template engine
refactor use and link process
add multilines support
refactor custom tag definition, and reimplement role and permission tag
create empty environment
modify pygettext so that it can compatible with new style
add --comment to manage.py for find -t
make import_attr error more user friendly
add defined function
change debug for template support
add _vars to namespace
improve
Merge branch 'dev' of github.com:limodou/uliweb
Merge branch 'dev' of github.com:limodou/uliweb
Form int field will convert value to float first
Fix sqldot bug #31
Fix orm Text None will be saved as u''
Fix version update after save success
Merge branch 'master' into dev

Conflicts:
	uliweb/contrib/rbac/tags.py
improve generic ListView process reference and manytomany using get_cached_object
fix get_caller bug
Fix image bug
Fix image bug
recall old version
change default_save to save of AddView and EditView
* Add yes option, remove --force of makeapp,makeproject command
* Remove has_options attribute in Command class
Fix generic when the ManyToMany object not existed already