Added position: relative to sg-pattern

Prevents absolutely-positioned elements from floating to the top
Subjectively removing patterns that won't necessarily get used
command line option to only generate patterns
Merge branch 'feature-patternonlygenerate' into dev
Merge branch 'dev' of https://github.com/pattern-lab/patternlab-php into dev
can use the flag -n to turn off cacheBuster
Update config.ini.default to ignore .sass-cache, a common folder that will appear beside compiled Sass files.
Merge branch 'master' of https://github.com/illepic/patternlab-php into dev
Remove unnecessary patterns, update naming structure of patterns, update template and page demos
Update initial CSS to add messaging styles
Updated paragraph text

Because paragraph atoms wouldn't really be included in other patterns (it's a bit overkill to nest this deep just to essentially write <p></p>), I'm reverting this back to highlight what the paragraph is.
Style updates to styleguide.css: adjust icon size and spacing, added overflow: auto to dropdowns, increased width
Right-aligned sizing styles
Remove box-shadow from dg-header
Hide Hay mode by default
Clean up styleguide.js
Fix style guide icon font namespacing, added vars to default JSON so homepage modules appear in template view.
Adjusted data.json so that latest-posts appear in template mode
Updated FPO images
Removed hot linked query from goggle apis.