HPCC-7898 Link release notes

Add the ability to link release notes in eclwatch
that pertain to the current release of the user's eclwatch.

Signed-off by: Miguel Vazquez <miguel.vazquez@lexisnexis.com>
Merge pull request #4951 from miguelvazq/HPCC-7898

HPCC-7898 Link release notes

Reviewed-By: Gordon Smith <gordon.smith@lexisnexis.com>