make servlet-api a provided dependency in the POM
Aether: display all reports if scope not specified
Merge branch 'master' of github.com:grails/grails-core
fix forked mode by splitting grails-plugin-tomcat and grails-tomcat into separate projects to resolve classpath issues
initialise default log4j config in forked mode to avoid log4j error (later overridden by Grails)
Rewrite run-war to use newer forking infrastructure, deprecate older IsolatedTomcat and IsolatedWarTomcatServer classes
don't include grails-core in POM