Serveral Changes
* MonitorBuilder has now a buildWpsClient() Method
* GUI now uses Monitor
* GUI interaction with monitor-object created
* GUI now tests the testRequest Entry with a wpsClient specified by MonitorBuilder
* MeasureJobListener now pauses jobs if an error is occurd
* gui Package has now subpackages: elements for all GUI Elements (e.g. JPanel, JDialog), structures for Helper Structures
* RestInterface bug fixed: unititalized EnumMap