renamed dev to src
fixed typo in html5shiv reference.
Added build step to gruntfile.
Moved Collection.js over to src folder.
Merge pull request #7 from emartinez-usgs/buildstep

Implemented build step to gruntfile
Added test Observatory Feed
Updated Observatory class to match Observatory feed, ObservatoryTest to use feed
Updated description of Observatory test to be more accurate
Merge pull request #10 from jmfee-usgs/EQH-2173

EQH-2173
Implemented Observatory getDefaultPier, added unit tests
Merge pull request #11 from jmfee-usgs/get_default_pier

Implemented Observatory getDefaultPier, added unit tests
Added Mark class and unit tests
Bad spaces
Added end to class, changed tests
Changed test to use expect instanceOf
Pulled Reading.js
Fixed typo and some whitespace issues.
Added Measurement class and Unit tests.
removed reading_id
Changed Unit Tests