Merge pull request #257 from patrickarlt/beta5

Refactor Docs
Merge pull request #258 from patrickarlt/beta5

Continue doc work
Merge pull request #259 from patrickarlt/beta5

Beta5
final beta5 work
Merge branch 'beta5' of github.com:Esri/esri-leaflet into beta5
rebuild for beta5
cleanup
add projects to readme