knitr to suggests
adding intro, experimenting with vign writing
build update w/ current roxy etc
hard coding TAB mimetype
minor clean up
modified example to daymet
compile geoknife class first
vignettes w/ knitr
Merge branch 'master' of github.com:jread-usgs/geoknife
new vignettes w/ knitr
updating install instructions
Merge pull request #43 from jread-usgs/master

clean up and syntax/doc improvements