update to latest cache and tomcat plugins

Author: graemerocher

grails-resources/src/grails/grails-app/conf/BuildConfig.groovy

@@ -55,11 +55,11 @@ grails.project.dependency.resolution = {
 
     plugins {
         // plugins for the build system only
-        build ":tomcat:7.0.53"
+        build ":tomcat:7.0.54"
 
         // plugins for the compile step
         compile ":scaffolding:2.0.3"
-        compile ':cache:1.1.2'
+        compile ':cache:1.1.7'
 
         // plugins needed at runtime but not for compilation
         runtime ":hibernate:3.6.10.16" // or ":hibernate4:4.3.5.4"