add: license header

.../ch/systemsx/cisd/common/collections/CollectionStyle.java

...source/java/ch/systemsx/cisd/common/logging/LogLevel.java

.../ch/systemsx/cisd/common/parser/DefaultLineTokenizer.java

...java/ch/systemsx/cisd/common/parser/HeaderLineFilter.java

common/source/java/ch/systemsx/cisd/common/parser/Line.java

...e/java/ch/systemsx/cisd/common/parser/MappedProperty.java

...msx/cisd/common/parser/filter/AlwaysAcceptLineFilter.java

...ommon/parser/filter/ExcludeEmptyAndCommentLineFilter.java

...e/java/ch/systemsx/cisd/common/process/ProcessResult.java

.../ch/systemsx/cisd/common/test/EqualsHashCodeTestCase.java

...ava/ch/systemsx/cisd/common/test/SerializabilityTest.java

.../java/ch/systemsx/cisd/common/utilities/IPathHandler.java

.../common/utilities/FileUtilitiesDeleteRecursivelyTest.java