Update README to reflect release to CRAN

Author: ctesta01

README.Rmd

@@ -30,17 +30,17 @@ https://biostats.bepress.com/ucbbiostat/paper130/
 
 # Installation Instructions
 
-You may install `{nadir}` from GitHub by running:
+
+`{nadir}` is available on CRAN -- You can install it from CRAN using:
 
 ```r
-devtools::install_github("ctesta01/nadir")
+install.packages("nadir")
 ```
 
-We expect `{nadir}` to be available from CRAN soon.  Once it is available 
-on CRAN, you may install it from CRAN using
+The development version of `{nadir}` may be installed from GitHub via running:
 
 ```r
-install.packages("nadir")
+devtools::install_github("ctesta01/nadir")
 ```
 
 ## Why `{nadir}` and why reimplement super learner again? 

README.md

@@ -32,17 +32,17 @@ closures, currying, and function factories.
 
 # Installation Instructions
 
-You may install `{nadir}` from GitHub by running:
+`{nadir}` is available on CRAN – You can install it from CRAN using:
 
 ``` r
-devtools::install_github("ctesta01/nadir")
+install.packages("nadir")
 ```
 
-We expect `{nadir}` to be available from CRAN soon. Once it is available
-on CRAN, you may install it from CRAN using
+The development version of `{nadir}` may be installed from GitHub via
+running:
 
 ``` r
-install.packages("nadir")
+devtools::install_github("ctesta01/nadir")
 ```
 
 ## Why `{nadir}` and why reimplement super learner again?