Merge pull request #36 from sanshengshui/develop-0.7.3

convert toolkit-coap to 0.7.2

Author: sanshengshui

toolkit-coap/pom.xml

@@ -22,7 +22,7 @@
     <parent>
         <artifactId>iot-toolkit</artifactId>
         <groupId>iot.technology</groupId>
-        <version>0.7.3</version>
+        <version>0.7.2</version>
     </parent>