Squashed commit of the following

commit f79bbff4 
Author: Barclay Walsh <barclay.walsh@parivedasolutions.com> 
Date: Wed Nov 13 2019 16:27:58 GMT-0600 (Central Standard Time) 

    Removed the ElasticCredentialsCache implementation and AWS resources, since it turns out that we will not need it for the AWS version.


commit d6295bba 
Author: Barclay Walsh <barclay.walsh@parivedasolutions.com> 
Date: Tue Nov 12 2019 13:53:21 GMT-0600 (Central Standard Time) 

    Reverting unit test changes.


commit 9e3fd6f5 
Author: Barclay Walsh <barclay.walsh@parivedasolutions.com> 
Date: Tue Nov 12 2019 10:59:51 GMT-0600 (Central Standard Time) 

    Added ElastiCache implementation values; refactored cache names to match naming convention and their respective interfaces; updated cache classes to use Redis.


commit cdfd718f 
Author: Barclay Walsh <barclay.walsh@parivedasolutions.com> 
Date: Tue Nov 12 2019 09:40:01 GMT-0600 (Central Standard Time) 

    Added ElastiCache permissions to the CFN Role.


commit 0839e17d 
Author: Barclay Walsh <barclay.walsh@parivedasolutions.com> 
Date: Tue Nov 12 2019 09:10:41 GMT-0600 (Central Standard Time) 

    Granted IAM Put* permissions to the CFN role to fix deployment errors.


commit 4d527882 
Author: Barclay Walsh <barclay.walsh@parivedasolutions.com> 
Date: Tue Nov 12 2019 08:54:00 GMT-0600 (Central Standard Time) 

    Fixed the queue name.


commit 11bf56c8 
Author: Barclay Walsh <barclay.walsh@parivedasolutions.com> 
Date: Tue Nov 12 2019 08:30:09 GMT-0600 (Central Standard Time) 

    Removed disused parameters.


commit dce92988 
Author: Barclay Walsh <barclay.walsh@parivedasolutions.com> 
Date: Tue Nov 12 2019 08:21:30 GMT-0600 (Central Standard Time) 

    Updated CodeBuild instance type.


commit 5d02bf1d 
Author: Barclay Walsh <barclay.walsh@parivedasolutions.com> 
Date: Tue Nov 12 2019 08:12:33 GMT-0600 (Central Standard Time) 

    Created CloudFormation templates and deployment scripts for os-indexer.


commit d414d7d7 
Author: Barclay Walsh <barclay.walsh@parivedasolutions.com> 
Date: Mon Nov 11 2019 10:25:22 GMT-0600 (Central Standard Time) 

    Fixed HTTP auth.