fix proposal inline row spacing
Merge pull request #746 from xi/feature-fix-proposal-inline-row-spacing

fix proposal inline row spacing
update modernizer

2.0.6 -> 2.7.1

adds detection for

-  touch
-  history
-  flexbox
always show comment utils (fixes #748)
Merge pull request #747 from xi/feature-update-modernizr

update modernizer
fix tile image vertical align
Deterministic order for stylesheets buildout parts