[update] reworking figure_image_tag plugin and writing posts (new YAML scheme)
[update] rakefile generates new writing/photo posts with proper YAML
Merge pull request #118 from opattison/20140222-yaml-image-structure

New YAML image structure – closes #115
[edit] semantics and copy editing
[update] robots.txt
[update] rakefile: switched order of caption and alt
[new] House Sparrows photo set
Merge pull request #119 from opattison/20140223-content-edits

content edits and new photo post -closes #107
[update] moved robots.txt to the right directory!
[edit] readme had the wrong CC BY-CC version
Merge pull request #120 from opattison/20140223-configuration-fixes

Configuration fixes
Merge branch 'master' into 20140218-mapbox-photosets
[update] model for how maps will be embedded in figures
[update] conditional for map loading on only "map" pages