Revert "back to commit b57c374b27b8faaf3d0bd4d56e7dbd4e2c645dc2"

This reverts commit 3d4a976c5d98473b923abe079cbb2221f5cf6b60.
Revert "delete vblob_node_ng package"

This reverts commit c24d35286170a79a82d6714512f11900a12ba28a.
Revert "add gorouter and tests submodules"

This reverts commit d035f698c82a78d8f74e08fec4892d6f4500753c.
Revert "add .gitmodules to define the sub modules, and add test, gorouter to repo."

This reverts commit 02485cb8de893105ac55b4a01a8a2aa53e09d3af.
Revert "switch src/* to master-branch"

This reverts commit 9314f4c069bb71ee9900890c67b056d34c340f80.