Doc the fact that layer sources influence render order

I ran into this problem at Science Hack Day SF 2014 and @kapadia walked me through how to fix it. Maybe this has been covered elsewhere, but I didn't find it.
range input improvement
remove env setting workaround - let it fail again
Try putenv build.
back to standard url for node-cpp11 binaries
restore full testing matrix
Merge pull request #1035 from mapbox/win-env

Win env
Merge pull request #1028 from mapbox/oninput

range input improvement
validate shared libs - refs #1030
try another PATH for dumpbin
Set app.log to write to tmp dir.
Pin to phantom@1.9.10
Merge pull request #1038 from mapbox/dumpbin

Validation of C++ binaries
remove obsolete path to node-mapnik libs and instead just null out PATH on windows
set ENV before require
changelog updates - refs #1012
As old as OS X 10.8 should work again with latest node-mapnik@3.1.1
Add note about new uninstaller behavior
Merge pull request #1037 from mapbox/appveyor-fix

Appveyor fix
v0.2.0 [skip ci]