Adds version notes for 1.7.2

Author: lukaszlenart

README.md

@@ -4,6 +4,9 @@ Originally hosted at http://9stmaryrd.com/tools/launch4j-maven-plugin/
 
 [![Build Status](https://travis-ci.org/lukaszlenart/launch4j-maven-plugin.svg)](https://travis-ci.org/lukaszlenart/launch4j-maven-plugin)
 
+## Version notes 1.7.2
+- added support for `restartOnCrash` Launch4j's option [#11](../../pull/14)
+
 ## Version notes 1.7.1
 - launch4j's `abeille` dependency was excluded [#11](../../pull/11)
 - versions of several plugins were updated [#11](../../pull/11)