upgrade to Grails datastore API 1.0.3

Author: graemerocher

build.gradle

@@ -23,7 +23,7 @@ ext {
     commonsCollectionsVersion = "3.2.1"
     commonsIOVersion = "2.1"
     commonsLangVersion = "2.6"
-    datastoreVersion = "1.0.3.BUILD-SNAPSHOT"
+    datastoreVersion = "1.0.3.RELEASE"
     gantVersion = "1.9.6"
     gdocEngineVersion = "1.0.1"
     groovyVersion = "1.8.6"

grails-bootstrap/src/main/groovy/org/codehaus/groovy/grails/resolve/GrailsCoreDependencies.java

@@ -192,7 +192,7 @@ public Object doCall() {
                         };
                         registerDependencies(dependencyManager, compileTimeDependenciesMethod, commonsExcludingLoggingAndXmlApis, "commons-logging", "xml-apis", "commons-digester");
 
-                        String datastoreMappingVersion = "1.0.3.BUILD-SNAPSHOT";
+                        String datastoreMappingVersion = "1.0.3.RELEASE";
                         ModuleRevisionId[] compileDependencies = {
                             ModuleRevisionId.newInstance("aopalliance", "aopalliance", "1.0"),
                             ModuleRevisionId.newInstance("com.googlecode.concurrentlinkedhashmap", "concurrentlinkedhashmap-lru", "1.2_jdk5"),