Merge pull request #5 from perfmode/master

vendor dependencies using Godep
fs datastore
linting
added MutexDatastore
added keytransform ds
linting
key: namespaces, ==, <, tests
key transform with inverse
Child now takes a key.

cc @whyrusleeping
namespace datastore
doc examples...
added panic datastore
fix namespace test
renamed datastore.go -> go-datastore
fix leveldb iterator
misc(deps) update/vendor gocheck
chore(makefile) add vendor task
deps(leveldb) update to cd2b8f743192883ab9fbc5f070ebda1dc90f3732
Merge pull request #8 from maybebtc/deps

Updated leveldb
Merge pull request #7 from ebuchman/master

fix leveldb iterator