SP-727 BIS-462 reorganize openbis session manager

...msx/cisd/openbis/generic/server/AbstractCommonServer.java

.../systemsx/cisd/openbis/generic/server/AbstractServer.java

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

...sx/cisd/openbis/generic/server/OpenBisSessionManager.java

...isd/openbis/generic/server/ServiceForDataStoreServer.java

.../systemsx/cisd/openbis/generic/server/TrackingServer.java

...eric/server/api/v1/GeneralInformationChangingService.java

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

...neric/server/dataaccess/HibernateInterceptorsWrapper.java

...ver/dataaccess/db/OpenBISHibernateTransactionManager.java

...neric/server/dataaccess/db/SessionsUpdateInterceptor.java

...x/cisd/openbis/generic/shared/IOpenBisSessionManager.java

.../systemsx/cisd/openbis/plugin/demo/server/DemoServer.java

...msx/cisd/openbis/plugin/generic/server/GenericServer.java

...ystemsx/cisd/openbis/plugin/query/server/QueryServer.java

...sd/openbis/plugin/query/server/api/v1/QueryApiServer.java

openbis/source/java/genericApplicationContext.xml

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

...ystemsx/cisd/openbis/generic/server/CommonServerTest.java

...x/cisd/openbis/generic/shared/AbstractServerTestCase.java