fix #162
fix #162
fix #162
Merge remote-tracking branch 'origin/master' into issue162

Conflicts:
	lite_mms/portal/delivery_ws/webservices.py
fix requirements
Merge remote-tracking branch 'origin/issue162' into issue94

Conflicts:
	lite_mms/models.py
	lite_mms/portal/manufacture_ws/webservices.py
fix bug