CORE-4384: modified the /update-app service so that it can accept strings in the integration_date field.
added eclipse crap to .gitignore
Merge branch 'dev' of https://github.com/iPlantCollaborativeOpenSource/Conrad into dev
CORE-4384: default the app disabled flag to 'false' if it's not specified
CORE-4155: updated the reference to an external service in the documentation