fix packaging to be sensitive to optional deps
add spirit header, fix syntax
use bcp --scan
robustify bcp search
add clang enable function
workaround bizarre boost bcp linux bugs
simplify gcc issues
add more libs to sdk
make lib copy dynamic
remember to bundle libprotobuf-lite
remove imaging libraries which occur by default on travis
re-enable imaging libs
add -Wl,--no-undefined to linux link flags
disable c++11 for now, enable tiff/sqlite
always purge tiff/jpeg/png
update OSRM to https://github.com/DennisOSRM/Project-OSRM/commit/40517e3010757bdbb100307765d84b6b47a44dc1
only remove imaging libraries for mapnik not osrm
make osrm branch and commit optional - refs https://github.com/DennisOSRM/node-osrm/issues/36
pipe ldd/otool commands to stderr
osx build fixes