Added volume estimator, fixed issue with gcode load

Fixed issue with filename not being set for slice build profiles.
Initial volume estimator is complete but very slow.
Merge branch 'master' of https://github.com/Pacmanfan/UVDLPSlicerController

Conflicts:
	UVDLP/Software/PC/UV_DLP_3dPrinter/UV_DLP_3D_Printer/Configs/SliceBuildConfig.cs