added IntelliJ IDEA project directory to the gitignore file
added IntelliJ IDEA project directory to the gitignore file

juhoffma/openshift-origin-weblogic-cartridge,juhoffma/openshift-origin-weblogic-cartridge,juhoffma/openshift-origin-weblogic-cartridge,juhoffma/openshift-origin-weblogic-cartridge