Merge pull request #96 from tomhughes/master

Update underscore dependency
avoid repeated unpacking of .zip archives by caching resolved path in metafile - closes #80
apply patch from @strk to extend url downloads test - closes #97
start using node-srs master and node-zipfile adm-zip branch
install gdal before millstone with travis
fix repository in package.json
rollback test added in #97 since the file is no longer available
millstone binary depends on optimist
Merge pull request #102 from mojodna/optimist

Missing dependency: optimist
use latest node-srs@0.3.0
declare ndoe v0.10.x support
Remove extra quote from engines version
Merge pull request #103 from jnews0n/master

Remove extra quote from engines version
solve #101
fix expected test after #101 fix
fix typo from f5639c5124ad4f
more followup to #101 - better debug output
fix #99
add test for #99
fixup the last test