add support for OpenBSD
bump version
Merge pull request #76 from shine-on/master

add support for OpenBSD, version bump
 - added JVM destruction to destructor
 - fix JNI local leak in async method calls
 - convert to using node's MakeCallback helper
added newChar function closes #77
test creating a boolean array closes #67
added support for short arrays closes #64
v0.2.7