Merge pull request #1 from springmeyer/tests

Tests
Merge pull request #2 from springmeyer/static-libgdal

add --runtime_link option
Added explicit gdal.close() method because there is no way to force when
node garbage collects each dataset.
Merge remote-tracking branch 'origin/master'
Configuration for Travis CI.
Ignore .DS_Store and generated .aux files.
Swapped libgdal-dev for libgdal1-dev (for Travis).
Use aptitude.
Forgot the -y flag.
Typo.
Another attempt at making gdal/travis happy.
Don't attempt to install tap globally.
Made existing tests more descriptive.
Added appveyor configuration.
Use tilde for dep versions.
Improved error handling. Started crude method list.
Merge remote-tracking branch 'origin/master'
Improved error handling. Added to method documentation.
Added GDAL 1.11.0 source.
Build libgdal w/GYP. Added node-pre-gyp config.