NEXUS-6250: Index rendering with query parameters.
Merge remote-tracking branch 'origin/nexus-2.7.x' into nexus-2.7.x-NEXUS-6250-index-rendering-qp
NEXUS-6250: Wrong method used.

To get the URL client used to retrieve the parent collection,
who's index page is being rendered.
Merge pull request #344 from sonatype/nexus-2.7.x-NEXUS-6250-index-rendering-qp

[2.7.x] NEXUS-6250: Index rendering with query parameters.