initial freebsd leveldb.gyp changes
added snappy config for freebsd
update snappy version strings
added _REENTRANT for solaris leveldb compile
-Wno-sign-compare for freebsd
switch -Wno-sign-compare to a cflag rather than ccflag
added -Wno-sign-compare for snappy on freebsd
added FreeBSD to list of supported platforms
-Wno-unused-function for freebsd / snappy
Merge branch 'freebsd'
@0.8.2
Merge branch 'master' into hyper-leveldb

Conflicts:
	package.json