Koji Kawamura 7c5bd876bd NIFI-3026: Support multiple remote target URLs
- Added urls in addition to the existing url, to support multiple target
  URLs
- Backward compatibility is provided by returning the first url if
  multipe urls are specified, but component accessing the url doesn't
support multiple urls
- UI is not fully updated yet. Following UI components are planned to be updated
  by different commits
  - Search component: only the first URL is searchable and shown
  - Component status: RPG status shows only the first URL
  - Component action history: only the first URL is searchable and shown
  - Updated Search component to use URLs.

This closes #1208.
2016-12-02 14:01:39 -05:00
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