add links to blogs

03-checkstyle/build.gradle

@@ -15,7 +15,7 @@ test {
 }
 
 pmdMain {
-    ruleSets = [ "java-basic", "java-strings" ]
+    ruleSets = [ "basic", "strings" ]
     ignoreFailures = true
 }
 

README.md

@@ -2,6 +2,9 @@
 
 Training files for learning Gradle
 
+Further resources:
+ - YSofters blog - http://www.ysofters.com/tag/gradle/
+ - Georgik's blog - http://georgik.sinusgear.com/tag/gradle/
 
 ##01-build-and-test
 
@@ -223,4 +226,4 @@ You can start sample portal by:
 Result is available at: http://localhost:8080/20-grails
 
 More information: https://github.com/grails/grails-gradle-plugin
-Video recording from Building Grails App With Gradle: http://youtu.be/FwZvDU2Jeh8
+Video recording from Building Grails App With Gradle: http://youtu.be/FwZvDU2Jeh8