Update license date on all files. No functional changes.
Fix very minor annoyance in ep_app_dumpfds output.
Update licenses to 2017.
Do detailed GCL cache dump on assertion failure (for debugging).
Take number of available file descriptors into account when reclaiming
the GCL cache.
Update license. No code changes.
Include copyright in all files. There are scripts to do bulk
replacement of the copyright if desired.
Fix some white space goofs (space-tab).
Add utility routine to print open file descriptors for debugging.