dcp_inspect: Intro comments wrt errors, hints and info
dcp_inspect: Naming convention v.3.9 url and cruft
dcp_inspect: DCSubtitle empty Text|Image elements, stronger hint
dcp_inspect: Hint at reel duration < 5 seconds (Doremi TB 65, 2010)
dcp_inspect: Rearrange hash limit hint
dcp_inspect: Bump version