Add startup documentation to README
Add Google Analytics
boil down the README
add note about deployment policy
add directions link

This'll need a new location/styling once the map is properly displayed. iOS map links direction taken from https://developer.apple.com/library/ios/featuredarticles/iPhoneURLScheme_Reference/MapLinks/MapLinks.html#//apple_ref/doc/uid/TP40007899-CH5-SW1.
Changes to .scss for web layout, also added small version of logo for web and mobile.
Merge pull request #15 from carpeliam/screens

add directions link
Merge pull request #16 from WheresHJ/screens

Changes to .scss for web layout, also added small version of logo for web and mobile.
Merge branch 'master' into screens
Merge branch 'screens' of github.com:codeforboston/cambridge_voting_locations into screens
Add footer and style location link