[LMS-1495] extended GUI - added query database selection widget

...temsx/cisd/openbis/generic/shared/basic/dto/NewQuery.java

.../ch/systemsx/cisd/openbis/generic/shared/dto/QueryPE.java

...s/plugin/query/client/web/client/IQueryClientService.java

...gin/query/client/web/client/IQueryClientServiceAsync.java

...nbis/plugin/query/client/web/client/application/Dict.java

...ugin/query/client/web/client/application/QueryModule.java

.../client/web/client/application/module/IQueryProvider.java

...ent/web/client/application/module/QueryDatabaseModel.java

...ient/application/module/QueryDatabaseSelectionWidget.java

...ery/client/web/client/application/module/QueryEditor.java

...lient/application/module/QueryModuleDatabaseMenuItem.java

...ery/client/web/client/application/module/QueryViewer.java

.../web/client/application/module/RunCannedQueryToolbar.java

.../web/client/application/module/RunCustomQueryToolbar.java

...penbis/plugin/query/client/web/public/query-dictionary.js

...is/plugin/query/client/web/server/QueryClientService.java

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

...x/cisd/openbis/plugin/query/server/QueryServerLogger.java

...stemsx/cisd/openbis/plugin/query/shared/IQueryServer.java

.../openbis/plugin/query/shared/basic/dto/QueryDatabase.java