Merge pull request #17 from ridoo/master

merge
Switch to sfl4j logger
reorder elements to group them by operation
start implementation of buildRegister(Insert)Sensor for SOS 2.0 request builder incl. tests: service and version parameter are read from parameter container
add observed properties to InsertSensor request (SOS 2.0)
add procedure description format to InsertSensor (SOS 2.0)
add TODO
refactoring: removed private method and use API method instead
add procedure description incl. test
Throw OXFException if parsing of procedure description parameter fails during buildRegisterSensor(...)
add methode ParameterContainer.removeParameterShell(String) incl. tests
Build InsertSensor: add test for invalid procedure description
Build InsertSensor: add SosInsertionMetadata incl. test
Build InsertSensor: add SosInsertionMetadata incl. test [updated]
InsertSensor SOS 2.0: refactoring -> extracting methods
Build InsertObservation: init + InsertSensor: delegate & refactoring
Fix build server: used wrong XB type. Type to use: InsertObservation
Fix bug caused by using SOS 1.0 XB types
use constants of correct operation
Build InsertObservation: add offerings + fix of constants use