Add travis badge

Gianluca Arbezzano · Gianluca Arbezzano · commit bd838556b728 · 2015-03-18T01:04:45.000+01:00
diff --git a/README.md b/README.md
@@ -1,5 +1,6 @@
 phpctags
 ========
+[![Build Status](https://travis-ci.org/vim-php/phpctags.svg)](https://travis-ci.org/vim-php/phpctags)
 
 An enhanced php [ctags](http://ctags.sourceforge.net/) index file generator
 compatible with http://ctags.sourceforge.net/FORMAT.
