add travis.yml for Travis-CI support

.Rbuildignore

@@ -1,3 +1,4 @@
 LICENSE
+.travis.yml
 ^.*\.Rproj$
 ^\.Rproj\.user$

.travis.yml

@@ -0,0 +1,27 @@
+# Sample .travis.yml for R projects.
+#
+# See https://github.com/craigcitro/r-travis
+#     https://github.com/eddelbuettel/r-travis/
+
+language: c
+
+env:
+  global:
+    - _R_CHECK_FORCE_SUGGESTS_=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_r Rcpp ggplot2
+
+script:
+  - ./travis-tool.sh run_tests
+
+notifications:
+  email:
+    on_success: change
+    on_failure: change
+

README.md

@@ -1,5 +1,7 @@
 # BreakoutDetection R package
 
+[![Build Status](https://travis-ci.org/eddelbuettel/breakoutdetection.png)](https://travis-ci.org/eddelbuettel/breakoutdetection)
+
 BreakoutDetection is an open-source R package that makes breakout detection simple and fast. The BreakoutDetection package can be used in wide variety of contexts. For example, detecting breakout in user engagement post an A/B test, detecting [behavioral change](http://wiki.cbr.washington.edu/qerm/index.php/Behavioral_Change_Point_Analysis), or for problems in econometrics, financial engineering, political and social sciences.
 
 ## How the package works