SP-472, BIS-307: search for experiments implemented and system tested.

...ch/systemsx/cisd/openbis/generic/server/CommonServer.java

...temsx/cisd/openbis/generic/server/CommonServerLogger.java

...ch/systemsx/cisd/openbis/generic/server/SearchHelper.java

...nbis/generic/server/api/v1/GeneralInformationService.java

...eneric/server/api/v1/GeneralInformationServiceLogger.java

...d/openbis/generic/server/business/bo/ExperimentTable.java

.../openbis/generic/server/business/bo/IExperimentTable.java

...neric/server/business/search/ExperimentSearchManager.java

...h/systemsx/cisd/openbis/generic/shared/ICommonServer.java

...eapitest/api/v1/GeneralInformationServiceJsonApiTest.java

...nbis/systemtest/api/v1/GeneralInformationServiceTest.java

...bis/generic/shared/api/v1/IGeneralInformationService.java