Create r.yml

first try

CRAN comment

Delete CRAN-SUBMISSION

4.15.0 release

update DoC.png/pdf

also move some tests in to experiment with testthat allowing examples to be turned  off on CRAN

Merge branch 'master' of https://github.com/tbates/umx

NEWS and release tag

umxSummary path type are breviated

* IMPROVE: `umx_read_lower` accept names for lower diag

no message

no message