Updated tags

https://github.com/hallme/scaffolding/issues/56

Based on http://wordpress.org/themes/tag-filter/

WARNING: The flexible-width and fixed-width tags changed to
fluid-layout and fixed-layout tags in WordPress 3.8. Additionally, the
responsive-layout tag was added. Please change to using one of the new
tags.
Removing unnecessary comments
Merge pull request #68 from michaeldcain/master

Clean up `scaffolding_scripts_and_styles()`
updated php includeds for error and pager template peices using get_template_part
updated the get template parts to work properly
updated wp-caption styles
updated php shortcode from header
clearned up header
Updated includes in functions
update header main classes
cleaned up footer
update header main classes
updated the mobile navigation to work with borderbox
cleared up styles
updated the styles of the pagination
Added gravity form and chosenjs styles
Added chosenjs script and call in scripts.js
Merge branch 'master' of github.com:hallme/scaffolding
fixed gform image file path and added chosen sprites
updated typography styles and added more default WP classes
Updated screenshot to png rather then jpg
Added
Merge branch 'master' of github.com:hallme/scaffolding
create variable for plugin path and use it in all sheets so it is easy to change in only one spot