test if string is a valid boolean added
refactoring to avoid double code
cleanup imports
[fix] initialize the resources list in SCIMSearchResult
[fix] replaced old core schema urn with new ones

Conflicts:

	src/main/java/org/osiam/resources/scim/User.java
[fix] fixed tests to reflect change of core schema
[enhancement] improved builder hierarchy
[enhancement] added schema for Service Provider Config
[cleanup] fixing pom formatting
[cleanup] using initCause() as setter, not as "fluent builder"
Merge branch 'davidmoebius-OSNG-238' into HEAD