change: - Trying to put some structure in 'ch.systemsx.cisd.common.utilities'.

common/resource/dependency-structure.ddf

...ava/ch/systemsx/cisd/common/collections/CollectionIO.java

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

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

.../cisd/common/collections/FromStringIdentityConverter.java

...ystemsx/cisd/common/collections/IFromStringConverter.java

.../systemsx/cisd/common/collections/IToStringConverter.java

...msx/cisd/common/collections/ToStringDefaultConverter.java

...cisd/common/parser/MandatoryPropertyMissingException.java

...msx/cisd/common/utilities/DirectoryScanningTimerTask.java

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

...systemsx/cisd/common/collections/CollectionUtilsTest.java

...temsx/cisd/common/process/ProcessExecutionHelperTest.java

...cisd/common/utilities/DirectoryScanningTimerTaskTest.java

...msx/cisd/common/utilities/RecursiveHardLinkMakerTest.java