Added travis status indicator to README
Added travis status indicator to README

xebia/Xebium,sglebs/Xebium,rselie/Xebium,sglebs/Xebium,sglebs/Xebium,xebia/Xebium,xebia/Xebium,sglebs/Xebium,rselie/Xebium,xebia/Xebium,denniebouman/Xebium,rselie/Xebium,denniebouman/Xebium,denniebouman/Xebium,rselie/Xebium,denniebouman/Xebium