Improve Map links

[swoogles]

Rather than just a pin location, link to the directions w/ walking mode selected.

[swoogles]

Use specific stop links:
Old Town Hall: https://goo.gl/maps/ugUPFW5ZGdEjBBf36
6th & Belleview: https://goo.gl/maps/uyXBbMbdRMPjM3t1A
4-way (To Mountain): https://goo.gl/maps/yniFE2NgAkLzpAwk8
Teocalli (To Mountain): https://goo.gl/maps/7y2DxSVGM883grwK9
Mountaineer Square: https://goo.gl/maps/B7MswQp8QWtm4ojS9
Teocalli (To Downtown): https://goo.gl/maps/7y2DxSVGM883grwK9 (Currently just a copy of the other side of the street)
4-way (To downtown): https://goo.gl/maps/NAWYs6nNT2i9mKtB8