Rearranging
Rename dir
Rearranging.
Image updates, reordering of article.
Parse command line args
Reorder code, add comments
Reorder, comment, remove unneeded qualifiers.
SETT article updates
Comments, remove destructor
Explain depth_feed_connection.h
Reorder methods
Remove unused method
Remove unused/unneeded.  Remove logs.
Remove unused connected_ member
Reorder code to match header
Restore buffer in case of failure.
DepthFeedSession and DepthFeedConnection.