SSDM-13365: Updated copyright comments in app-openbis-installer

...penbis-installer/source/java/InstallerVariableAccess.java

.../cisd/openbis/installer/izpack/AbstractDataValidator.java

...cisd/openbis/installer/izpack/AbstractScriptExecutor.java

.../cisd/openbis/installer/izpack/DBConnectionValidator.java

...sx/cisd/openbis/installer/izpack/ExecuteBackupAction.java

...d/openbis/installer/izpack/ExecuteSetupScriptsAction.java

.../ch/systemsx/cisd/openbis/installer/izpack/Extractor.java

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

...installer/izpack/InitializeInstallationContextAction.java

...ystemsx/cisd/openbis/installer/izpack/JarClassLoader.java

...emsx/cisd/openbis/installer/izpack/KeyStoreValidator.java

...ystemsx/cisd/openbis/installer/izpack/KeystoreAction.java

...penbis/installer/izpack/OpenGettingStartedPageAction.java

...s/installer/izpack/PostgresInstallationDetectorUtils.java

.../openbis/installer/izpack/PostgresToolsPathValidator.java

...bis/installer/izpack/PrepareInstallationBackupAction.java

.../openbis/installer/izpack/SetDatabasesToBackupAction.java

...installer/izpack/SetEnableTechnologiesVariableAction.java

...d/openbis/installer/izpack/SetHostnameVariableAction.java

...enbis/installer/izpack/SetTechnologyCheckBoxesAction.java