Add placeholder for project version in README, so that copy/paste doesn't...

Add placeholder for project version in README, so that copy/paste doesn't leave an old version of the dependency in the parent project's build

README.md

@@ -18,11 +18,13 @@ buildscript {
     }
   }
   dependencies {
-    classpath 'edu.wisc.doit.gradle:continuous-publish-plugin:0.1.0'
+    classpath 'edu.wisc.doit.gradle:continuous-publish-plugin:<current_version>'
   }
 }
 ```
 
+Replace *<current_version>* with the current version of this project.
+
 Note the `codeDoitUsername` and `codeDoitPassword` properties.
 
 This project is distributed via the [Shared Tools Maven Artifact Repository](https://wiki.doit.wisc.edu/confluence/display/ST/Maven+Repository+Manager),

build.gradle

 group 'edu.wisc.doit.gradle'
-version '0.2.2'
+version '0.2.3'
 
 apply plugin: 'groovy'
 apply plugin: 'idea'