Revert "Trimmed the branch to only the rocon_gateway_graph sub directory"

This reverts commit 11265bf2fadff82e5c105508fb5e9bbcb5ddc543.
Trimmed the branch to only the rocon_gateway_graph sub directory
Revert "Trimmed the branch to only the rocon_gateway_graph sub directory"

This reverts commit 848e2d19b56bdb70079f4404ae0ce71f8f473f62.
Rebase from 'upstream' @ version '0.3.0'
Trimmed the branch to only the rocon_gateway_graph sub directory