added UserService implementation to retrieve Users by name
Merge branch 'develop' into feature/basicAuth-174

Conflicts:
	deegree-securityproxy-service-wcs/src/test/java/org/deegree/securityproxy/wcs/auhentication/repository/WcsUserDaoImplTest.java
	deegree-securityproxy-service-wcs/src/test/resources/org/deegree/securityproxy/wcs/authentication/repository/test_data.sql
added log4j.properties
added superclass to encapsulate the access token of a user
added HttpServletWrapper to add header values
fixed test
added extended BasicAuthenticationFilter adding the access token as header
added javadoc
organized imports
configured BasicAuth
removed log4j
fixed implementation
Merge pull request #25 from lat-lon/feature/basicAuth-174

Feature/basic auth 174