http://stackoverflow.com/questions/1251192/how-do-i-use-maven-through-a-proxy
http://maven.apache.org/guides/mini/guide-proxies.html
https://cwiki.apache.org/confluence/display/MAVEN/PluginResolutionException
http://proxy.ipcn.org/proxylist.html
<settings> <proxies> <proxy> <id>genproxy</id> <active>true</active> <protocol>http</protocol> <!--username>proxyuser</username--> <!--password>proxypass</password--> <host>altair.netk5.com</host> <port>80</port> <nonProxyHosts>*.mycompany.com|127.0.0.1</nonProxyHosts> </proxy> </proxies> </settings>