GRAILS-8392 - list-plugin-updates throws NPE
GRAILS-8392 - list-plugin-updates throws NPE

GrailsRepoResolver.getPluginList(File) returns null when an IOException is thrown while trying to communicate with the repo.  This change changes _PluginDependencies.groovy to check for null and log an error if null is returned.

clockworkorange/grails-core,clockworkorange/grails-core,clockworkorange/grails-core,clockworkorange/grails-core,clockworkorange/grails-core