Move security-related classes from package utilities to security.

...h/systemsx/cisd/authentication/DefaultSessionManager.java

.../java/ch/systemsx/cisd/authentication/file/UserEntry.java

...a/ch/systemsx/cisd/authentication/file/UserEntryTest.java

...ch/systemsx/cisd/common/security/IChecksumCalculator.java

.../systemsx/cisd/common/security/MD5ChecksumCalculator.java

...a/ch/systemsx/cisd/common/security/PasswordGenerator.java

...java/ch/systemsx/cisd/common/security/PasswordHasher.java

...java/ch/systemsx/cisd/common/security/TokenGenerator.java

.../systemsx/cisd/common/resource/ResourceUtilitiesTest.java

...temsx/cisd/common/security/MD5ChecksumCalculatorTest.java

.../ch/systemsx/cisd/common/security/PasswordHasherTest.java

.../ch/systemsx/cisd/common/security/TokenGeneratorTest.java

.../cisd/openbis/dss/generic/server/SessionTokenManager.java

...msx/cisd/openbis/dss/generic/server/StreamRepository.java

...msx/cisd/openbis/dss/generic/server/UploadingCommand.java

...openbis/dss/generic/shared/utils/DatasetLocationUtil.java

...java/ch/ethz/bsse/cisd/dsu/dss/plugins/DataSetToSOFT.java

...d/openbis/installer/izpack/GlobalInstallationContext.java

...bis/generic/client/web/server/resultset/CacheManager.java

...bis/plugin/screening/shared/imaging/HCSDatasetLoader.java