Adding change directory directive to CI because R pkg is a subdir

.travis.yml

@@ -1,5 +1,8 @@
 # R for travis: see documentation at https://docs.travis-ci.com/user/languages/r
 
+before_install:
+ - cd R
+
 language: R
 sudo: false
 cache: packages

appveyor.yml

@@ -1,5 +1,8 @@
 # DO NOT CHANGE the "init" and "install" sections below
 
+before_build:
+ - cd R
+
 # Download script file from GitHub
 init:
   ps: |