tree fef868190394d0ad4884cfeb38b15c05dbb1ff44
parent efc053c1a5b36daa25c8a41d6860c4482cd673d7
author Shawn Pearce <sop@google.com> 1425689525 -0800
committer Shawn Pearce <sop@google.com> 1425935976 -0700

Disable all features by default

Force callers to specifically enable required features before
running Prolog that needs to do file IO (e.g. pl2am or am2j) or
observe runtime statistics (consult in cafeteria).

Change-Id: Ifa24702806c7bf3425a0f5b497bf2c84f874d61f