Revert "node_microblog"

This reverts commit ef03275ede97a414fb8531a2c45ad47c28dd839e.
Revert "microblog"

This reverts commit 74c093776ae601412220e3ce6ced239cc9a0ef82.
Revert "Initial commit"

This reverts commit 06b9845b61adf39480b7777f33bdc66eb79e3c28.