Add form_note to lead form widget.

This is on all the other form widgets and I didn't notice. Most of
Madrona is actually using this. The structure changes slightly in this
version (it's not nested in the form), but it doesn't look like that
will affect styling. I hope. I'm not good at the CSS.
fix header nav active class logic again
Merge pull request #275 from G5/header-nav-active

fix header nav active class logic again
no google+ tab when no data
facebook and twitter feedlength check
Merge branch 'master' of github.com:G5/g5-widget-garden
changes google maps urls to use network-path references
show message if no cors support
adds option for carousel
Don't require highline
Merge branch 'master' of github.com:G5/g5-widget-garden
Merge branch 'master' into gallery-carousel
Don't use a secure URL for forms.

This is for browsers with bad CORS support that can't do http/https
cross fetching. It's not great.
add missing closing liquid tag
Revert "Don't use a secure URL for forms."

This reverts commit e55e3fde04ac6b9ab9be6b4bc6e0e5ebc29d1e50.
Merge branch 'master' into gallery-carousel
change name of tallest image function and vars
get largest image width and height
add carousel functionality to gallery
remove transition setting from gallery