node v0.10.x/node-gyp support
move conditions to target
add index.js
move topcube bin to bin directory
Add back necessary headers
avoid gcc warning about missing initializer for member
push all build logic into binding.gyp to avoid needing to know the direct path to node-gyp
workaround gyp bug on windows where urls are interpreted as relative filesystem paths (https://code.google.com/p/gyp/issues/detail?id=152)
Merge pull request #21 from springmeyer/node-v0.10.x

Node v0.10.x