Added dev R2 demo preload file
Adjustments to alpha/beta instruments
Add a separate interface for extracting images through the service. The intention is to allow UI clients to access this service call as a URL
Merge branch 'master' of https://github.com/ooici/ion-definitions
Removed path=master from alpha and beta preload config files
Merge branch 'master' of github.com:ooici/ion-definitions into jira1024