fix issue of "when local_settings.ini have no GLOBAL section,uliweb will exit with exception"
Merge pull request #29 from zhangchunlin/fix_settings3

fix issue of "when local_settings.ini have no GLOBAL section,uliweb will...
Merge branch 'dev' of github.com:limodou/uliweb
Change role and permission tag parameter format, no need ""
has_role() check "role.usergroups" now
Merge pull request #30 from zhangchunlin/rbac_usergroup

has_role() check "role.usergroups" now
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
Merge branch 'master' into dev
Fix include in ini bug