[IMP]:usabiliy improvemetns

addons/account/account.py

addons/account/account_installer.xml

addons/account/account_view.xml

addons/account/installer.py

addons/association/profile_association.xml

addons/base_setup/__init__.py

addons/base_setup/__openerp__.py

addons/base_setup/base_setup_installer.xml

addons/hr/hr_installer.xml

addons/knowledge/knowledge_installer.xml

addons/mrp/mrp_installer.xml

addons/profile_accounting/profile_accounting.xml

addons/profile_manufacturing/profile_manufacturing.xml

addons/profile_tools/misc_tools_installer.xml

addons/project/project_installer.xml

addons/purchase/wizard/purchase_installer.xml

addons/report_designer/report_designer_installer.xml

addons/service/service_installer.xml