Prepare 3.0.0 release

Author: graemerocher

build.gradle

@@ -20,7 +20,7 @@ apply plugin: 'idea'
 
 ext {
     bintrayPublish = false
-    grailsVersion = '3.0.0.BUILD-SNAPSHOT'
+    grailsVersion = '3.0.0'
     isBuildSnapshot = grailsVersion.endsWith(".BUILD-SNAPSHOT")
     isTravisBuild = System.getenv().get("TRAVIS") == 'true'
 
@@ -44,7 +44,7 @@ ext {
 
     spockVersion = '1.0-groovy-2.4'
     springLoadedVersion = "1.2.3.RELEASE"
-    springBootVersion = "1.2.2.RELEASE"
+    springBootVersion = "1.2.3.RELEASE"
     springLoadedCommonOptions = "-Xverify:none -Dspringloaded.synchronize=true -Djdk.reflect.allowGetCallerClass=true"
     springVersion = "4.1.6.RELEASE"
     ehcacheVersion = "2.4.6"

grails-core/src/test/groovy/grails/util/GrailsUtilTests.java

@@ -35,7 +35,7 @@
 public class GrailsUtilTests extends TestCase {
 
     public void testGrailsVersion() {
-        assertEquals("3.0.0.BUILD-SNAPSHOT", GrailsUtil.getGrailsVersion());
+        assertEquals("3.0.0", GrailsUtil.getGrailsVersion());
     }
 
     @Override