v1.5.0

• [b10b22b2a7] - 1.5.0 (Julian Gruber)
• [96886cff9e] - Merge pull request #312 from ralphtheninja/master (Julian Gruber)
• [a3fe375834] - bump dependencies (Lars-Magnus Skog)
• [079dad773a] - Merge pull request #299 from Level/leveldb-1.19 (Lars-Magnus Skog)
• [c02a3ad9e7] - chmod 644 leveldown dep (Julian Gruber)
• [4976d49a5f] - remove leveldb .travis.yml (Julian Gruber)
• [ddf5698475] - Merge pull request #302 from Level/nan-2.4.0 (Lars-Magnus Skog)
• [a0f91ad497] - upgrade nan, remove Function::NewInstance() deprecation warnings (Rod Vagg)
• [21dc91ebe6] - apply port_uv.h patch (Julian Gruber)
• [a39c3ea3f3] - remove deleted file from leveldb.gyp (Julian Gruber)
• [a8b9f009c4] - import leveldb-1.19 and point bindings file to it (Julian Gruber)
• [ef05005754] - Bumped to 1.4.6 (Lars-Magnus Skog)