Merge origin/master

Conflicts:
	Utils/src/main/java/edu/kit/dama/util/test/CustomPodamProviderStrategy.java
	Utils/src/main/java/edu/kit/dama/util/test/XSDTest.java

Author: ThomasJejkal

.travis.yml

@@ -18,5 +18,4 @@ jdk:
   #- cmake .. -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DWITH_GIR=OFF -DWITH_GTK_DOC=ON -DWITH_PYTHON=OFF
 
 script:
-  mvn install 
-  #-DskipTests=true
+  mvn install -DskipTests=true

MetaDataManagement/MDM-Content/README.md

@@ -20,7 +20,7 @@ In order to build KIT Data Manager you'll need:
 After obtaining the sources change to the folder where the sources are located and just call:
 
 ```
-user@localhost:/home/user/KITDM/base$ mvn install
+user@localhost:/home/user/KITDM/base$ mvn install -DskipTests=true
 [INFO] Scanning for projects...
 [INFO] ------------------------------------------------------------------------
 [INFO] Reactor Build Order: