colorize usa and international shield text

Merge pull request #85 from tangrams/sensescape/more-shields

updated icons and more shields

update HTML rig for nextzen API keys

Merge pull request #82 from tangrams/sensescape/texture-relief

add shaded relief and no-texture themes

Bump for gold theme fix

remove stroke from road shield text (oy vey mapzen_icon_library defau…

…lts!)

Merge pull request #65 from tangrams/sensescape/lod

Add level of details and label variant themes

Merge pull request #64 from tangrams/nvkelso/tangram-es-7.2.1-support

refactor for tangram es 7.2.1 support

Merge pull request #60 from tangrams/sensescape/dark-themes

Add Dark themes

final packaging