add warning to result access methods, refs #92

 * added method for logging to abstractClass
 * added call to this method in every result access method of a service
add first testcase refs #93

*add newLine to end of pom.xml
*add surefire plugin for testexecution
*add first testcase in test package
Merge pull request #94 from eiselems/93

add testcase, mod pom.xml fixes #93
Edited database layout and removed obsolete fields, refs #102
Fixed wrong column names, refs #102
Merge pull request #104 from TKosch/102

Refactored database schema, fixes #102
Merge pull request #99 from Nik101010/92

add warning to result access methods, fixes #92

 * added method for logging to abstractClass
 * added call to this method in every result access method of a service