Moved util functions to utils.py, created urls and views for javasript responses
Expanding on config views, still more work to do
More updates, now the views are using the util functions with the values passed from settings for proper site config
More updates, fixed signed_collection typo
Added signed_auth_login token function to utils and url+view
Fixed signed auth token function
Removed http404 message
Updated to use full name for display_name
Added livefyre view tests
Added template tag tests, with included stream_config and global_config test
Updated templatetag tests to only test specific relative pieces
Merge pull request #3 from natgeo/updates

NGM-253: "Updates" branch adds ajax functionality and moves functionality to utils