use strategy pattern to find wps_config.xml
search in home folder for wps_config.xml
Update pom.xml
Merge pull request #86 from nuest/master

Update landing page and add wps-js client, WPS4R updates
Merge pull request #87 from autermann/feature/home-folder-config

Feature/home folder config
Merge pull request #90 from matthias-mueller/master

Update project's pom to Java 1.7