Convert old node_cache to new
Fix for #927 - prevent double request for facility on edit_facility_user.
Add two places where instructions will be displayed: after download, and in a downloaded README file.
Merge branch 'release-0.11' of github.com:learningequality/ka-lite into new_node_cache
Make all distributed templates use base_template variable.

Conflicts:
	kalite/templates/admin_distributed.html
	kalite/templates/topic.html
Merge pull request #939 from bcipolli/use_base_template

Make all distributed templates use base_template variable.
Fix for related videos.
fixing bug when UserRestricted on and CACHE_TIME=0
Merge branch 'release-0.11' of github.com:learningequality/ka-lite into release-0.11
fixe and cleanup for API query speedups that I didn't mean to include.  Good stuff though\!
Merge pull request #915 from bcipolli/new_node_cache

Convert old node_cache to new
Merge pull request #932 from rtibbles/double_facility_fix

Prevent double request for facility when no default set on user management, editing user
Merge pull request #935 from bcipolli/add_install_instructions

Add two places where instructions will be displayed: after download, and in a downloaded README file.
Merge branch 'release-0.11' of github.com:learningequality/ka-lite into restrict_edits

Conflicts:
	kalite/settings.py