Updated gitignore

Conflicts:
	.gitignore
Add import class and task. Change articles to retrieve at a random time in the next 30 days, to reduce strain.
Improvements to processing logic
more import updates
updated git ignore
Change seeds to never run for production mode
remove temporary import restriction
Merge remote-tracking branch 'cottagelabs/master' into feature/ALM-561

Conflicts:
	.gitignore
	db/schema.rb
	db/seeds.rb
ALM-561 moved crossref_import code into lib folder
Merge branch 'feature/ALM-561' into develop