Merge pull request #53 from jread-usgs/master

adding get_metrics and CI for builds
Merge pull request #55 from jread-usgs/master

fix for issue #54
Merge pull request #56 from jread-usgs/master

updates for diagnostic plots
Merge pull request #57 from jread-usgs/master

adding model to package, adding run_glmOSx
updated function list v0.2.4.2
update to readme w/ run_glm
Make documentation clearer.
Removed all code and files for run_glm and moved them to GLMr package.
Merge branch 'master' of github.com:GLEON/glmtools
removing files
adding github install GLMr