Merge pull request #228 from ryanpitts/development

add jobs feature to dev branch
here we have Guides
if article is part of guide, article detail page links back to guide
article save should bust cache for related guides
show optional notes above articles in a guide's article list
guide detail pages link back to list page
Merge pull request #232 from ryanpitts/development

update Jobs feature
Merge pull request #233 from ryanpitts/development

Jobs feature updates
merge guides
guides intro text
add toggle navigation menu for narrow screens
Merge pull request #235 from ryanpitts/development

guides app and mobile nav
fix today issue in jobs
Merge pull request #236 from ryanpitts/development

fix today issue in jobs
make jobs list page searchable
make sure we aren't accidentally caching python dates
only enable snap nav pane at 480px or less
clean up navigation responsive styles
clump jobs by this week, last week, previously
Merge pull request #240 from ryanpitts/development

Jobs feature updates