When trying to toggle the enabled status, the current implementation of the PUT method for installations

https://github.com/aerogear/aerogear-unified-push-server/blob/master/src/main/java/org/jboss/aerogear/connectivity/rest/registry/applications/InstallationManagementEndpoint.java#L81

doesn't work.

looks like the variables passed in just need to be reversed

https://github.com/aerogear/aerogear-unified-push-server/blob/master/src/main/java/org/jboss/aerogear/connectivity/service/impl/ClientInstallationServiceImpl.java#L61