New blog post, moved activity assets to new tree

activity assets moved under activity
traininglog plugin now creates index page
layout for training log index page
altitude now can go below zero
Moved to cloudmade tiles
Minor tweaks to recent blog post (including capitalizing title)

Fix to units of velocity in summary
Minor data fix
Improvements to Heroku publishing process

No need for public in the repo any more after following
http://jasongarber.com/blog/2012/01/10/deploying-octopress-to-heroku-with-a-custom-buildpack

Adding all of source in to the repo

New training data and posts