StateToContent supports v3.1-style attachments. Attempts to assign title on first attachment oembed. LivefyreUrlContent supports v3.1-style attachments when assigning title. If LivefyreInstagramContent has a title in oembed, override content.body.
Bump package ver to 2.13.5
Fix block-level content-author-name link for url content header
Introduce csso in build-css script. Removes repeating selectors etc. At time of commit final css 87k->42k.
builtjs example uses dist/streamhub-sdk/min.css
Merge pull request #282 from Livefyre/csso

csso in build step
Move v3.1-style attachments setting into LivefyreContent constructor. Move LivefyreInstagramContent body setting into constructor.
Fix bug with checking attachments in LivefyreInstagramContent
Add tests for InstagramCurate vs InstagramRss states.
Add livefyre-url-content tests to spec-list
Merge pull request #281 from Livefyre/content-title

v2.13.5 - Content Title