Added rst version of cognitive load page
add So You Want to Deploy a New Service
address review comments from @nedbat
renamed cognitive_load.rst to code-considerations.rst
link to code considerations page from contributor doc
Merge pull request #3752 from edx/db/doc-cognitive-load

Added rst version of cognitive load page
Use local storage instead of S3 for uploads in devstack.
Use path already created by ansible.
Merge pull request #3615 from jazkarta/devstack-local-filestorage

Use local storage instead of S3 for uploads in devstack.
Dev support for context-sensitive help.
Update of all templates
Changed help button to link and removed drop-down items
Acceptance tests for online help.
Added new context sensitive link and updated text
Sock template changes
Updated tests for online help
Merge pull request #3619 from edx/markhoeber/documentatoin/online-help-system

Online help system
Tolerance expressed in percentage now computes correctly. [BLD-522]
Modified and extended tests on percentage expressed tolerance.
Addressed comments.
All tests pass now.
Added tests for compare_with_tolerance