Update to fix build in Backports

- Add patch to set the sip directory to the one used in SLE/Leap
* 0001-Adapt-scidavis-for-Leap.patch

- Update to 2.3.0
* No changelog provided by upstream
- Update patch to make scidavis build on openSUSE:
* 0001-Adapt-scidavis-for-openSUSE.patch
- Update to 2.1.0
* Qt4 support was dropped
- Update to 1.26
* Added simplified and traditional Chinese translations, courtesy of Anbang Li and Wen Li
* Updated Czech translation from Pavel Fric
* some bugs were fixed

- Use python3 Qt5 bindings instead of python2.
- Actually build with liborigin support.
- Remove deprecated mimelnk.

- Update to 1.25
* added support for Qt 5.x;
* liborigin updated;
* added Python 3 support
* Russian translation updated
- Add 0001-Adapt-scidavis-for-openSUSE.patch
* install the python config file to /etc/scidavis/
* Add a (working) option to fix the lib vs. lib64 installation
* Update paths for the current qwt5-qt5 and qwtplot3d-qt5 packages
* Fix the Qt5 linguist executable names