[maven-release-plugin] prepare release WebProxyPortlet-1.1.8
[maven-release-plugin] prepare release WebProxyPortlet-1.1.8

Jasig/WebproxyPortlet,mgillian/WebproxyPortlet,Jasig/WebproxyPortlet,Jasig/WebproxyPortlet,is-apps/WebproxyPortlet,mgillian/WebproxyPortlet,mgillian/WebproxyPortlet,is-apps/WebproxyPortlet,is-apps/WebproxyPortlet