Merge pull request #22 from girka2k/dev-alewx-test

routine pull
Merge pull request #23 from Alewx/Development

Development
Fix for issue #21

Fix for issue #21 "IO sharing exception after loading the scene and
trying to weld something"
Version label in MainWindow
Merge pull request #25 from girka2k/dev-alewx-test

Dev alewx test
temporary fix for issue "Configsave fix breaks welding #26"
GUI: prevents "click through"

Now if we click on the window (mainWindow & infoWindow), it does not
affect the parts under this window
GUI: Calc. methods selectors added

- added selectors for StrengthCalcMethod and MaxTempCalcMethod settings
in MainWindow (issue #24)
- added button to show/hide settings
breakingForce calc fixed

Fixed calculation of breakingForce by weighted average method
Merge remote-tracking branch 'origin/pr/4' into Development

Conflicts:
	UbioWeldingLtd/FileManager.cs
	UbioWeldingLtd/UbioZurWeldingLtd.cs

regular update and merge try
-merging of Girka/dev branch
-commiting Alewx/Development branch