fancier badge
actually use jpeg in jpeg test
image encoding test fixes
Use ~ for pre-gyp semver.
Merge pull request #320 from mapnik/pre-gyp-semver

3.x: Use ~ for pre-gyp semver.
ditch less than threadsafe and non-useful extra font reg wrapper
clean up includes
remove unused boost header
drop boost foreach macro
drop boost scoped_ptr
remove boost shared_array
no need to directly depend on karma
target mapnik 3.x fully / drop support for earlier versions
Travis: script cleanup
update Mapnik 3.x SDK for linux [publish binary]
latest Mapnik 3.x SDK for both OS X and Linux [publish binary]
latest Mapnik 3.x SDK [publish binary]
shuffle includes
appveyor: without vs2014 we can't source build, instead let's test binaries
start updating changelog for 3.0.0 release