Bump version to 6.15.0

Bump version to 6.14.1

Update upload-binaries-gocd

Fix regex issues.

Signed-off-by: Kris Hicks <[email protected]>

Revert "Merge pull request cloudfoundry#610 from atulkc/router_group_…

…cli"

This reverts commit b67f576, reversing
changes made to 24468b6.

Bump version to 6.12.4

Bump version to 6.12.3

Bump version to 6.12.2

Bump version to 6.12.1

Update basic_plugin.go

Bump version to 6.11.3