Update license date on all files. No functional changes.
Change GDP_EVENT_EOS to GDP_EVENT_DONE, since it isn't specific to
subscriptions. Also documentation updates reflecting the datum changes
in the previous commit.
The grand renaming: GCL is (mostly) gone in favor of GOB and GIN.
Clean up user messages to use ep_app_* routines (and be consistent with
Update licenses to 2017.
Update license. No code changes.
Include copyright in all files. There are scripts to do bulk
replacement of the copyright if desired.
Add log-mirror command for trivial replication. Required also adding
gdp_gcl_getnrecs to API.