realtime-CSG-for-unity

This release brings lots of fixes!

Fixes added by #349:

• Update Window.mat and Window.png to support proper transparency and specularity.
• Fixes from #323, where X and Z axes were transposed when creating a new box brush.
• Fixes from #355, where the undo stack is spammed with changes when dragging a material into the scene.
• Fixes from #350, where #346 had missing helper surface ref...

Changes:

• Fixes for #344

Known Issues:

• (Unity issue/Can't be fixed) RealtimeCSG cannot be fully removed without closing Unity first, due to use of native/C++ dll. A solution to this is closing Unity, and manually deleting the RealtimeCSG folder.

Changes:

• Fixes from #346

Known Issues:

• (Unity issue/Can't be fixed) RealtimeCSG cannot be fully removed without closing Unity first, due to use of native/C++ dll. A solution to this is closing Unity, and manually deleting the RealtimeCSG folder.

Changes:

• #333 RealtimeCSG can now be imported as a package using Unity Package Manager.
• #333 Icons are embedded into a generated class, which reduces clutter in the texture browser.
• #335 #340 An assembly definition was added for versions of unity that support it. Any versions older should treat RealtimeCSG as if it were a standard plugin in Plugins/
• #340 Readme updated to include...

Release Version1_569