Health Organizer Code

- TfrmEditDocuments: removed the qTempDrop: it is no more necessary
- TfrmEditDocuments: removed the qTempAppend: it is no more necessary
- TfrmEditDocuments: removed the qTempMerge: it is no more necessary
- TfrmEditDocuments: removed the qTempDelete: it is no more necessary
+ qAttach: writes the File_oid column instead of the Content
+ hor_components: THorPQC_OnWriteProgress has an additional parameter, _Stop: if it is set to true, the write operation stops
+ hor_components: THorPQConnection.HorWriteStreamToLargeObject: handles the new _Stop parameter
+ hor_components: THorPQConnection.HorWriteLargeObjectToStream: handles the new _Stop parameter
+ Added procedure TfrmEditDocuments.OnWriteDataToLargeObject(Sender: THorPQConnection; const _Oid: Oid; _Stream: TStream; _Position: Int64; var _Stop: boolean): steps the progress bar and checks if it has to stop
+ TfrmEditDocuments.btnAddClick: no more writes the Content field, but instead the File_oid column and creates the large object
+ TfrmEditDocuments: added the qGetAttachOid query
+ TfrmEditDocuments.miDeleteClick: gets the large object ID and deletes it
- TfrmEditDocuments.btnSaveAllAndOpenClick: fixed compilation warning