v0.6.3

Fixed:

• Exit the process correctly with a non-zero exit code when an async command fails, such as nwb test [#36] [jihchi]

Dependencies:

• karma-mocha-reporter: v1.1.4 → v1.1.5 - show error message when karma runner ends with error
• webpack-merge: v0.5.1 → v0.7.0 - bug fix for merging arrays within nested structures