Update badge to point to our own CI

ligurio · ligurio · commit 4c9ff7689ddb · 2020-09-22T17:53:30.000+03:00
Closes #15
diff --git a/README.md b/README.md
@@ -1,4 +1,4 @@
-[![Build status](https://travis-ci.org/vozbu/libslave.svg)](https://travis-ci.org/vozbu/libslave)
+[![Build Status](https://travis-ci.org/tarantool/libslave.svg?branch=master)](https://travis-ci.org/tarantool/libslave)
 
 ABOUT
 ===================================================================

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-[![Build status](https://travis-ci.org/vozbu/libslave.svg)](https://travis-ci.org/vozbu/libslave)`
	`1`	`+[![Build Status](https://travis-ci.org/tarantool/libslave.svg?branch=master)](https://travis-ci.org/tarantool/libslave)`
`2`	`2`
`3`	`3`	`ABOUT`
`4`	`4`	`===================================================================`