am c73d9e4: Merge changes 1341,1342 into donut

Merge commit 'c73d9e43a0c98a87222ef0c8749d6abba06c7778'

* commit 'c73d9e43a0c98a87222ef0c8749d6abba06c7778':
  libsysutils: Add multiple client support and fix some bugs
  nexus: Implement wifi scanner and fix a lot of bugs