old travis file, new coveralls call

This rolls back to commit cbe4759.

.travis.yml

@@ -1,38 +1,20 @@
-# Sample .travis.yml for R projects from https://github.com/craigcitro/r-travis
+# Sample .travis.yml for R projects
 
-language: c
+language: r
+warnings_are_errors: true
 sudo: required
 
-env:
-   global:
-     - WARNINGS_ARE_ERRORS=1
-     - R_BUILD_ARGS="--no-manual --no-build-vignettes"
-     - R_CHECK_ARGS="--no-manual --no-build-vignettes --as-cran"
-     - BOOTSTRAP_LATEX=""
-   matrix:
-     - NOT_CRAN="true"
-     - NOT_CRAN="false"
-
-before_install:
-  - curl -OL http://raw.github.com/craigcitro/r-travis/master/scripts/travis-tool.sh
-  - chmod 755 ./travis-tool.sh
-  - ./travis-tool.sh bootstrap
-
-install:
-  - ./travis-tool.sh install_deps
-  - ./travis-tool.sh github_package jimhester/covr@4cae287abde5e2cf0c3c73aedeaec4d902dfd3ed
-  - ./travis-tool.sh github_package hadley/devtools@52bc15bb7eb87105bbf799d7f784054921146c02
-  - ./travis-tool.sh github_package hadley/testthat@c67018fa4970ee3390ea2056efe56726626b07e3
+r_github_packages:
+  - jimhester/covr
 
-script: ./travis-tool.sh run_tests
-
-on_failure:
-  - ./travis-tool.sh dump_logs
-
-after_success:
-  - Rscript -e 'library(covr);coveralls()'
+env:
+ global:
+   - CRAN: http://cran.rstudio.com
 
 notifications:
   email:
     on_success: change
     on_failure: change
+
+after_success:
+  - Rscript -e 'library(covr);coveralls()'