adding travis

Author: Pakillo

.Rbuildignore

@@ -2,3 +2,4 @@
 ^\.Rproj\.user$
 ^README\.Rmd$
 ^README-.*\.png$
+^\.travis\.yml$

.travis.yml

@@ -0,0 +1,5 @@
+# R for travis: see documentation at https://docs.travis-ci.com/user/languages/r
+
+language: R
+sudo: false
+cache: packages

README.Rmd

@@ -5,13 +5,12 @@ output: github_document
 ---
 
 ```{r, echo = FALSE}
-knitr::opts_chunk$set(
-  collapse = TRUE,
-  comment = "#>",
-  fig.path = "README-"
-)
+knitr::opts_chunk$set(collapse = TRUE, comment = "#>", fig.path = "README-")
 ```
 
+[![Travis build status](https://travis-ci.org/SevillaR/aemet.svg?branch=master)](https://travis-ci.org/SevillaR/aemet)
+
+
 Download climatic and meteorological data from Spanish Meteorological Agency (AEMET) using their API: https://opendata.aemet.es.
 
 

README.md

@@ -2,6 +2,8 @@ R interface to AEMET API
 ================
 Sevilla R users (<http://sevillarusers.wordpress.com>)
 
+[![Travis build status](https://travis-ci.org/SevillaR/aemet.svg?branch=master)](https://travis-ci.org/SevillaR/aemet)
+
 Download climatic and meteorological data from Spanish Meteorological Agency (AEMET) using their API: <https://opendata.aemet.es>.
 
 Installation