Gnumeric 1.7.5

Jon Kåre:
	* Fix zoom preference. [#378043]

Jody:
	* Improve xls import/export of 'best fit' column widths. [#378560]
	* Implement Validate from List cell combo. [#375620]
	* Fix xls import of checkboxes with empty labels. [#375620]
	* Put the style feedback onto an idle handle to improve cursor
	  responsiveness.
	* Improve autofill/validation combos.
	    - Alt-Down opens a combo in the current cell
	    - Enter, Alt-Up/Down selects within an open combo
	    - Drag autoscroll
	    - set initial selection for validate from list
	    - Home/End jumps to top bottom.
	    - Fix in RTL mode.
	    - List items unfiltered by other active conditions in combo.
	* Fix .gnumeric import of col/row groupings. [#380015]
	* SAX import for autofilters
	* Fix XSD schema
	    - Add autofilters
	    - Add inputmessages
	    - Add Workbook Attributes
	    - Make it validate
	* Start simplifying the object anchor types for xlsx.
	* Fix RTL text display.
	* Fix a collection of dialog leaks.

Morten:
	* Add automatic test framework.
	* Fix sc import of functions with no args.
	* Prevent ssconvert from updating the recent-files list.
	* Fix goal-seek crash.  [#377961]
	* Minor goal-seek improvements.  [#379234]
	* Fix critical in name definition dialog.
	* Improve precision of goal-seek.
	* Fix a case where goal seek went outside the interval.

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