1999-07-02  Jukka-Pekka Iivonen  <iivonen@iki.fi>

	* src/anaysis-tools.c: New file for data analysis tools.
  	Currently only correlation and covariance tools implemented.

	* src/dialog-analysis-tools.c: New file.

	* src/dialogs.h: Added some definitions for data analysis tools.

	* src/workbook.c: Added data analysis menu entry.