bumped version to 1.6.0

Author: firewave

README.md

@@ -55,6 +55,8 @@ Deployment.
 
 ## Releases
 
+### 1.6.0 - XXXX-XX-XX
+
 ### 1.5.1 - 2020-11-12
 
 Improved reporting of execution failures. (Contribution by @firewave)

resources/META-INF/plugin.xml

@@ -1,7 +1,7 @@
 <idea-plugin>
   <id>com.github.johnthagen.cppcheck</id>
   <name>cppcheck</name>
-  <version>1.5.1</version>
+  <version>1.6.0</version>
   <vendor email="johnthagen@gmail.com" url="http://github.com/johnthagen">johnthagen</vendor>
 
   <description><![CDATA[
@@ -61,7 +61,6 @@
     ]]></description>
 
   <change-notes><![CDATA[
-      1.5.1 Improved reporting of execution failures. (Contribution by @firewave)<br/>
     ]]>
   </change-notes>