LDPartEditor 0.8.40-beta

Changes:
With the release of 0.8.40 you are able to...

• ...unscale something without losing current origin/orientation (double click on selected subfile -> hold Ctrl and click on "Move selected subfile to manipulator").
• ..."Move selected subfile to manipulator" and it keeps subfile scaling when doing so.
• ...choose more practical icon sizes (range 12px ... 32px).
• ...benefit from more "clean" tabs (Snap/Selection/BG-Image) on the 3D editor.
• ...benefit from little performance improvements.

The following critical issues are fixed:

1. Unificator deleted some surfaces from the unified mesh.
2. Edger2 created wrong condlines if there is a slighty mismatch.
3. "Move Manipulator to Subfile" warped the manipulator if there was shearing involved.
4. Colour table, linux-only: The scroll on mouse over, in the list view, only worked when the pointer was over the slider. Not when it was over the list.
5. It was possible to activate "Move Adjacent Data" on the selection tab for subfiles, but it had no effect (it should not be possible to activate the button in this case!)