HPCC-12065 - Missing Favicon and update page title

Update the page title to "ECL Watch". Set the favicon icon.

Signed-off by: Miguel Vazquez <miguel.vazquez@lexisnexis.com>
Merge pull request #6435 from miguelvazq/HPCC-12065

HPCC-12065 - Missing Favicon and update page title

Reviewed-By: Gordon Smith <gordon.smith@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>