[IMP] project : improved access rights, group and menus

addons/hr_timesheet/hr_timesheet_view.xml

addons/hr_timesheet_sheet/hr_timesheet_sheet_view.xml

addons/project/project_view.xml

addons/project/report/project_report_view.xml

addons/project/security/ir.model.access.csv

addons/project/security/project_security.xml

addons/project_gtd/project_gtd_view.xml

addons/project_gtd/security/ir.model.access.csv

addons/project_issue/project_issue_view.xml

addons/project_issue/report/project_issue_report_view.xml

addons/project_issue/security/ir.model.access.csv

addons/project_issue/security/project_issue_security.xml

addons/project_issue_sheet/security/ir.model.access.csv

addons/project_long_term/project_long_term_view.xml

addons/project_long_term/security/ir.model.access.csv

addons/project_mailgate/__openerp__.py

addons/project_mailgate/security/ir.model.access.csv

addons/project_messages/__openerp__.py

addons/project_messages/project_messages_view.xml

addons/project_messages/security/ir.model.access.csv