use emplace/emplace_back over insert/push_back - refs #2336
Merge pull request #2345 from mapnik/emplace

use emplace/emplace_back over insert/push_back - refs #2336
initialize is_geographic
build: remove -finline-functions which is no longer supported by clang-3.5
2x faster compile of value_types.hpp - start working on #2346
remove boost concept_check usage - refs #2346
Merge pull request #2347 from mapnik/no-concept-check

remove boost concept_check usage - refs #2346
use extern template to fix osx -flto bug - closes #2339
test a crazy matrix
remove uneeded logging
remove uneeded debug statement
boolean_type cleanup/code re-use
-fvisibility=hidden fixes on osx with -flto
less verbose ifdefs
use extern template to solve -fvisibility=hidden issues on osx
Travis: disable notifications + only run bench when built
iwyu
silence webp -Wunused-function warning
travis: fix benchmark run logic [skip ci]
more -fvisibility=hidden fixes for osx