Starting on Sample Resources listing

- Move most other pages to draft
- Set tag alignment in .footer
- Try out various flex displays for byline and tags in footer

Related to issue #8
Icon class optimizations

+ .autosize is gone. Default is for the icons to be their regular size
+ remove .autosize from all templated icons
+ .intrinsic is still around, but smarter: do nothing and the icon will
remain its natural size; change the width property and its calculated
height will change to match.

Related to issue #8
Sample resources data and layout changes

Related to issue #8