v1.0-Beta3: Bug Fix Release

This is a bug fix release. Fixed Image Blending, Improved text insertion, added colour maps and updated apps to use more colour maps.

Updated todo and incremented milxSMILI version.
Added scalar bar to animate app. Added shell script for app (unused atm).
Added more cmaps to overlay and animate apps.
Fixed opacity of models from recent cmap revamp. Fixed more image mixer issues and LUT detection.
dded ability to remove text widgets from view.
Improved text editing in text widget.
dded text editing ability to text widgets.
Fixed blending being tab consistent. Fixed view transfer ignoring image-model, which can be buggy. Added counts for image and model windows. Added window and level output to conso
Added horizontal and vertical tiling for windows.
Added set/get scalar bar actor members to RnderWin class.
Tweaked gray cmap and added Blend cmap checks.
Fixed minor cmap issues: Fixed spelling and added alpha to Grays.
Added new cmap: Seismic
Added HSV colourmap and disabled compare as not working.
Simplified and added alpha channels to cmaps.
Initial fix for 3D image blending. Added percentile argument for auto levelling.
dded CopyInfo member as a alias to MatchInfo.
Updated version CMake config from recent change.
Added multiplication of images. Added image class members and main class members. Incremented version numbers for next release when done.
Updated annotated Mainwindow figure.
Added image bar screenies and figures.
Added blend screenshots.
Added cursor screenshot.