tree ea717b4d1d217a7de9cf74f3fa5bf89e9a685a19
parent dddd9384d50a2d9743be8e30403979ada2870bb6
author Ken Ashcraft <kash@google.com> 1446848770 -0800
committer Ken Ashcraft <kash@google.com> 1446848770 -0800

syncslides: Add discovery interfaces.

Added the main interface for discovery as well as interfaces and
classes it depends upon.  I left Deck as an interface because
we might want to support a version that streams image bytes in addition
to the version that simply buffers the whole byte array.

Change-Id: I5dc93c85baf5b91f692c4cc9b547744b435a8672