Remove variable 'overflow' because it's not used

The 'overflow' variable isn't needed
Change sevone_enum because it's an Scanner
Land #1937, @wchen-r7's fix for heap spray js code
Land #1938 - Change sevone_enum because it's an Scanner
Update ff svg exploit description to be more accurate.
Land #1940 - Update firefox svg exploit description to be more accurate
Make the conditional correct for print_prefix

Fixes a bug introduced on #1936.
Land #1942
Uses raw-xml-v2 Nexpose export for Nexpose import as this adds device-id
back to XML schema and will result in hosts that can be pushed back to
Nexpose.

[Bug #51521175]
Merge pull request #1943 from shuckins-r7:bug/nx-asset-group-push
Merge branch 'release'