Consistency + simplification: aligns design across pages

* Overhauls about page in favor of vertical content
* Simplifies home page & breaks out projects
* Shares page header across every page except index
* Creates alignment css to use in flex + grid
* Cleans up some scss and groups post markup
* Right aligns navigation with floats for aesthetics
* Better adjustments to shadow on scroll
* Tightens up some spacing + smaller photo on about

Bumps minor version