ticket:3 Requirements
ticket:4 Requirements
ticket:4 Fix tests
ticket:3 Fix tests
Merge branch 'master' into t3_middleware

Conflicts:
	requirements.txt
Merge branch 't3_middleware'
Merge branch 'master' into t4_context_processor

Conflicts:
	django_hello_world/hello/tests.py
	requirements.txt
Merge branch 't4_context_processor'