Log Message:
Update to 1.7.90:

Andreas:
	* Speed up pagination
	* Account for repeating rows/cols when scaling automatically
	* Load header & footer info from file
	* Print headers and footers
	* Reenable header/footer customization
	* Add do-not-print flag to sheets. [#371754]
	* Allow multi-line headers and footers
	* Allow nicer entry of header/footer fields [#122175]
	* Fix gtk issues triggered by sorting dialog.
	* Fix printing of background of merged cells. [#497478]
	* Allow inclusion of cell content in header/footer. [#162480]
	* Add faster way to switch orientation. [#497438]

Jean:
	* Print images.
	* Fix FMR in solver dialog.  [#496052]
	* Fix markers shapes and objects stack order when importing
	xls files. [#344950]
	* Fix transparent background import from xls.

Jody:
	* Fix visibility filtering for clipboard export. [#496985]
	* XLS export of hyperlinks. [#81718]

Jon KÃ¥re:
        * Fix clipboard export.  [#496187]

Morten:
	* Make pdf exporter able to print specified sheets only.
	* Make it possible to set page size for ssconvert's pdf exporter.
	* Fix date entry problem with yyyy-mm-dd formats.  [#494387]
	* Fix FMR during workbook destruction.
	* Fix UMR when moving cells.
	* Validate names before defining them.
	* Fix gtk issues triggered by sorting dialog.
	* Improve initial appearance of quit dialog.
	* Plug printing dialog leak.
	* Fix just-in-time evaluation problem.
	* Fix minor parse problem for faulty inter-workbook references.
	* Fix interaction between re-spanning and manual recalc.  [#495879]
	* Refuse to jump to invisible sheet.  [#496304]
	* Fix rtl display problem.  [#496304]
	* Plug leak in oleo import.  [#496867]
	* Fix g-critical problem with editable labels' cursors.
	* Plug excel exporter leaks.  [#497191]
	* Make sure =<right> produces a relative address.
	* Improve recent-files integration.
	* Fix CHITEST crash.  [#497477]
	* Fix a pile of CHITEST corner cases.
	* Fix a pile of FTEST corner cases.
	* Improve error message for xls export with excess function arguments.
	* Fix a pile of TTEST corner cases.

Oliver Burnett-Hall:
       * Fix R1C1 issued with defined names.  [#409997]  [#494318]