Add changelog for v0.8
Release v0.8
Some further revisions to the readme.
Add a note about ES6 modules
"guie" should be "guide"
Merge pull request #156 from chadfennell/master

minor nit -> "guie" should be "guide"
Replace the deprecated 'linkTo' helper with the recommended link-to helper
Merge pull request #157 from dunnkers/master

Replace the deprecated 'linkTo' helper with the recommended link-to helper