CYB-359 Only process new Vimeo videos
 * adds a 'submitted_at' field to check against what is being reported by the API

https://jira.ets.berkeley.edu/jira/browse/CYB-359
Merge pull request #221 from coyote/query_vimeo_only_once_per_item

CYB-359 Only process new Vimeo videos
Update canvas_configuration.md
Update canvas_configuration.md
Update canvas_configuration.md
Update canvas_configuration.md
Update canvas_configuration.md
Update canvas_configuration.md
Update canvas_configuration.md
Update api_key_generation.md
Create generate_LTI_tokens.md
Update canvas_configuration.md
Update generate_LTI_tokens.md
Update application_setup.md
Update generate_LTI_tokens.md
Update canvas_configuration.md
CYB-332 CSV taking nearly 4.5 minutes to generate

  * altered to get all data directly via SQL
  * no use of the Decorator anymore -- pure SQL + Ruby
Merge pull request #224 from coyote/accelerate_csv

CYB-332 CSV taking nearly 4.5 minutes to generate
CYB-368 - Gallery: browser back button in item detail view doesn't return to gallery main

https://jira.ets.berkeley.edu/jira/browse/CYB-368
CYB-368 - Gallery: back button - Add JS Docs & resolve comments