implements standardjs linting

[colestrode]

closes #19

[coveralls]

Coverage remained the same at 100.0% when pulling cc715b9 on standard into 4bb146f on master.

[coveralls]

Coverage remained the same at 100.0% when pulling bd76327 on standard into 4bb146f on master.

[coveralls]

Coverage remained the same at 100.0% when pulling 9478200 on standard into 4bb146f on master.

[coveralls]

Coverage remained the same at 100.0% when pulling c086942 on standard into 4bb146f on master.

[coveralls]

Coverage remained the same at 100.0% when pulling a9c3c54 on standard into 4bb146f on master.

[colestrode]

I must be doing something wrong... I needed to include several eslint-plugins as dev-deps for standard. Will revisit some other time.

[coveralls]

Coverage remained the same at 100.0% when pulling 8fbb105 on standard into 4bb146f on master.