common: Avoid using require to read JSON file key.

`require` is not working well with relative paths.
common: add test for conametion with keyFilePath.
Merge pull request #1 from stephenplusplus/readkeyfile

common: add test for connection with keyFilePath.
Merge pull request #105 from stephenplusplus/master

travis: run lint & tests.
Merge pull request #100 from rakyll/readkeyfile

common: Avoid using require to read JSON file key
Fixing lint errors.
Properties should detect keys and serialise them to key protos.
datastore: Adding regression test for embedded key persistence and retrieval.
Merge pull request #106 from rakyll/key-entity

datastore: Adding support for embedding keys and filtering by keys
Release 0.2.0.
Merge branch 'key-entity'
refactor(storage): Use async in regression tests
style(storage): indentation fix
Merge pull request #109 from silvolu/master

refactor(storage): Use async in regression tests
fix(tests): use _mocha instead of mocha to produce coverage data

broken in 547e73c
Merge pull request #110 from silvolu/master

fix(tests): use _mocha instead of mocha to produce coverage data
fix(test): exclude regression test files from coverage report
Merge pull request #111 from silvolu/master

fix(test): exclude regression test files from coverage report
Initial commit to switch protobuf.
Switching save and delete to protobuf.