changed User model pw_hash field to nullable and added migrations
removed unused import
moved send_verification_email to auth/tools
moved email_debug_message to gmg/tools/mail
added a register_user function
created a check_login_simple function
Extract footer into bits/base_footer.html.
Merge branch 'pre-auth' into basic_auth

Conflicts:
	mediagoblin/auth/tools.py
	mediagoblin/auth/views.py
	mediagoblin/db/migrations.py
	mediagoblin/plugins/basic_auth/lib.py
	mediagoblin/plugins/httpapiauth/__init__.py
	mediagoblin/plugins/piwigo/views.py
cleanup after merge
renamed lib to tools
no need for check_login with the new check_login_simple function
changed User model pw_hash field to nullable and added migrations
removed unused import
moved send_verification_email to auth/tools
moved email_debug_message to gmg/tools/mail
added a register_user function
created a check_login_simple function
moved fp_verification_email to auth/tools
Merge branch 'pre-auth' into basic_auth

Conflicts:
	mediagoblin/auth/tools.py
	mediagoblin/auth/views.py
	mediagoblin/plugins/basic_auth/tools.py