approve_membership perm, south workaround, allow_view_by update
reduced queries on edit_perms page
reduced queries on membership search results, memberships in user menu
reduced queries
Merge branch 'master' into 370_permission_to_approve_membership
search updates for entries search and filter ovverride to simulate admin perms
user_top update for membership
Merge branch 'refs/heads/master' into 370_permission_to_approve_membership

Conflicts:
	tendenci/addons/memberships/managers.py
	tendenci/addons/memberships/templates/memberships/details.html
	tendenci/core/perms/utils.py
	tendenci/settings.py
Merge branch 'master' into 370_permission_to_approve_membership
Merge branch 'master' into 370_permission_to_approve_membership
added approve permission to membership default
added checker for approve permission
Merge branch 'master' into 370_permission_to_approve_membership
Merge branch 'refs/heads/370_permission_to_approve_membership'

Conflicts:
	tendenci/addons/memberships/admin.py
	tendenci/addons/memberships/managers.py
	tendenci/addons/memberships/templates/admin/memberships/membershipdefault/change_form.html
"Verbosity" in command add_missing_permissions
Applying approve permission on membership admin