fix copy paste typo in CPPFLAGS
Merge pull request #346 from coolaj86/patch-1

fix copy paste typo in CPPFLAGS
Linux and Mac builds for node-webkit v0.10.5 (released 2014-09-16)

Note: an x64 version for Mac is provided (since node-webkit v0.10.1),
and thus a corresponding item of the build matrix is now removed
from `allow_failures`.
Windows builds for node-webkit v0.10.5 (which is released 2014-09-16)
Use a looser semver for node-pre-gyp.
Merge pull request #348 from mapbox/pre-gyp-semver

Use a looser semver for node-pre-gyp
3.0.1
3.0.2