dmoz service has ended. move to dmoztools website

.Rbuildignore

@@ -1,5 +1,6 @@
 ^.*\.Rproj$
 ^\.Rproj\.user$
+^README.Rmd$
 ^\.travis\.yml$
 ^appveyor\.yml$
 ^dev$

R/get_dmoz_data.R

@@ -8,7 +8,7 @@
 #' 
 #' @export
 #' 
-#' @references \url{http://www.dmoz.org/}
+#' @references \url{https://dmoztools.net}
 #' 
 #' @examples \dontrun{
 #' get_dmoz_data()

ReadMe.md

@@ -6,7 +6,7 @@
 ![](http://cranlogs.r-pkg.org/badges/grand-total/rdomains)
 [![codecov](https://codecov.io/gh/themains/rdomains/branch/master/graph/badge.svg)](https://codecov.io/gh/themains/rdomains)
 
-The package provides a few ways to classify domains based on their content. You can either get the categorizations from [shallalist](http://www.shallalist.de/), [trusted (McAfee)](http://trustedsource.org), [DMOZ](http://rdf.dmoz.org), [Alexa API](http://docs.aws.amazon.com/AlexaWebInfoService/latest/) (which uses the [DMOZ Data](http://rdf.dmoz.org)), or [virustotal API](http://virustotal.com), or use validated machine learning models based off the shallalist data. 
+The package provides a few ways to classify domains based on their content. You can either get the categorizations from [shallalist](http://www.shallalist.de/), [trusted (McAfee)](http://trustedsource.org), [DMOZ](https://dmoztools.net) (the service has ended), [Alexa API](http://docs.aws.amazon.com/AlexaWebInfoService/latest/) (which uses the [DMOZ Data](https://dmoztools.net)), or [virustotal API](http://virustotal.com), or use validated machine learning models based off the shallalist data. 
 
 ### Installation