Also, sync boost.py waf tool with ndn-cxx Change-Id: I75ed79725706313c3e64913de0fac17e2c182b8c
* Upgrade waf to 2.0.14 * Sync default compiler flags with ndn-cxx * Remove unused pch waf tool * Simplify compilation of unit-tests Change-Id: I2aa21454dd5d691ad2093923582443e5f8329ba7
refs: #4641 Change-Id: Iabed3ad7632544d97559e6798547b7972b416784