first working figure liquid tag plugin
figure.rb: fixed regex; breaks softer; figcaption markdownified
changed file name for figure_tag plugin, added brief documentation
updates to posts with new figure structured, underscores for front matter
catching the plugin up to the latest (better notes, slight refactor)
Merge pull request #58 from opattison/alt-tags-for-images-in-posts

Alt tags for images in posts, new figure plugin - solves #46
updating figure_tag to figure_image_tag plugin
updates to posts, fix for figcaption in figure image plugin
- resized and reloaded images
- config.yml temporarily using Oliver's domain
- captions are now conditionally removed if not required, as intended
- updates for posts that were missing photos
Merge branch 'master' into add-photos-to-posts