Add dna.png icon to DNA button

Added dna.png icon to DNA button in main view. Eventually this view
will take a user back to the set search.
Added paper shadow to dna btn

Added paper shadow to dna btn
Added search field to main view

added core-input polymer component to the main view search box.
Added Roboto font
Update blue to google blue

Changed blues to Google quantum blue (4285F4)
Update setName color

set name color updated to (#7BAAF7)
Added Chr button

Eventually to navigate to the chromosome view
Merge pull request #7 from mttzr/new-ui

Minor UI tweaks to New ui branch