[NEXUS-6241] Support Request feature
Update text, only show if authenticated w/perms and edition != OSS
Update icon
Add tooltip
Use strong insteead of quotes
Merge branch 'master' into NEXUS-6241-support-request
[NEXUS-6241] update url
Merge pull request #523 from sonatype/NEXUS-6241-support-request

REVIEW: [NEXUS-6241] Support Request feature