Replaced queue_demo implementation with an object oriented implementation
Merged with master
Removed merge hints
Split 'platform/common/' into commit '93e6ff9446cfab21492fc452fc1712f9b6d3def4'

git-subtree-dir: platform/common
git-subtree-mainline: 7596afc942c54a5c0a18dee1c2aed19fd163b068
git-subtree-split: 93e6ff9446cfab21492fc452fc1712f9b6d3def4