Overview of changes in gcalctool 5.8.19

* More work on bug #347700.  Added another "Note to translators" 
  comment for the Abs button labels.

* Fixed bug #348452. Removed line for help/sv/Makefile.in

* Released a gcalctool tarball for GNOME 2.16.0 (beta1).

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Overview of changes in gcalctool 5.8.18

* Work on bug #347700. Added a "Note to translators" comment for the 
  Bksp and Clr button labels.

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