Merge branch 'master' into dev

.travis.yml

@@ -22,7 +22,8 @@ before_script:
 
 branches:
   only:
-    - dev
+    - master
+    _ dev
 
 script:
   - exit 0

README.md

@@ -1,3 +1 @@
-PHP-Excel-Writer
-
-[![Build Status](https://travis-ci.org/viest/php-excel-writer.svg?branch=dev)](https://travis-ci.org/viest/php-excel-writer)
+![php-excel](https://github.com/viest/php-excel-writer/blob/master/resource/logo.png)