Merge pull request #131 from ianbarber/master

Update devsite build
updated paragraph
update+format http caching content
Merge branch 'master' of github.com:PaulKinlan/WebDocs
Rewording as suggested for #134 - cc @Meggin
Fixes #133 - TL;DR improvement
#129 - changing the format of this landing page, feels more like a series of steps the user should follow
Fixes #121 - changing the layout algorithm
Makeing lesson sections have more of a lesson 1, lesson 2 .... vibe
Update content.markdown

Fixed sentence in Create headline and form.
Update content.markdown

#137 and small nits fixed.
#112 - fixing the samples, will update the image later
Update responsive.markdown

Fixing capitalization of title.
#136 changing smiles to the correct name
Merge branch 'master' of github.com:PaulKinlan/WebDocs
Removing smiles media (video) #136
Removing smiles from everything,  today is a dark dark day. #136
Removing todo
Update responsive.markdown

First round of lots of small edits to clean this doc up. I will do a second round.
Fixing up getting started sample titles