Memory Heuristic Example
Memory Heuristic Example

A previous change removed the code for an example that modified memory
heuristics without removing the reference to it in the prose.  This change
reinstates that example and polishes the other examples to be consistent.

[resolves #301]

svenfrauen/java-buildpack,pivotal-cf/weblogic-buildpack,gyantcs/kieserver_mvn,cloudfoundry-community/tomee-buildpack,hmlingesh/java-buildpack,afalak/java-buildpack,PatrikSteuer/java-buildpack,violetagg/java-buildpack,cloudfoundry/java-buildpack,afalak/java-buildpack,gyantcs/kieserver_mvn,cloudfoundry/java-buildpack,pivotal-cf/weblogic-buildpack,cloudfoundry-community/tomee-buildpack,lucasreginato/custom-java-buildpack,hmlingesh/java-buildpack,violetagg/tomee-buildpack,lucasreginato/custom-java-buildpack,santoshsrivastava/kieserver_mvn,Service-Flow/java-buildpack-cloudfoundry,demo-app/java-buildpack,YannRobert/java-buildpack,svenfrauen/java-buildpack,YannRobert/java-buildpack,cloudfoundry-community/jboss-buildpack,cloudfoundry-community/jboss-buildpack,hmlingesh/java-buildpack,stipx/java-buildpack,ariel-bentu/java-buildpack,violetagg/java-buildpack,Appdynamics/java-buildpack,tom-collings/jboss-buildpack,PatrikSteuer/java-buildpack,hmlingesh/java-buildpack,waltersve/java-buildpack,pivotal-cf/weblogic-buildpack,Service-Flow/java-buildpack-cloudfoundry,Appdynamics/java-buildpack,kishoretiwary/kieserver_mvn_prod,martinSaad/cfJavaBuildPack_newRelic,violetagg/tomee-buildpack,waltersve/java-buildpack,dsyer/java-buildpack,rakutentech/java-buildpack,martinSaad/cfJavaBuildPack_newRelic,santoshsrivastava/kieserver_mvn,pivotal-cf/weblogic-buildpack,kishoretiwary/kieserver_mvn_prod,tom-collings/jboss-buildpack,dsyer/java-buildpack,ariel-bentu/java-buildpack,demo-app/java-buildpack,stipx/java-buildpack,rakutentech/java-buildpack