working on Windows build script.
windows build script: added 'npm install -g node-gyp'
account for mapnik 2.2.0 and 2.3.0 SDK.
first working version.
changed encoding of mapnik_settings.js to UTF8.
path to protoc.exe missing in PATH.
typo when adding BASE_DIR to PATH.
testing S3
using node-pre-gyp for S3
S3 Test 2
Merge pull request #229 from BergWerkGIS/master

Windows build script