Add the 'base_stage' to the super class of project_issue, same as the class in project_issue
Add the 'base_stage' to the super class of project_issue, same as the class in project_issue

837278709/metro-openerp,john-wang-metro/metro-openerp,837278709/metro-openerp,john-wang-metro/metro-openerp,john-wang-metro/metro-openerp,837278709/metro-openerp