Selection box and line rendering improvements
Grid testing
Grid testing update
View grid testing sandbox complete, code ready for transplantation into odemis
Selection box and line rendering improvements
Merge branch 'rinze_grid_testing'
Integrated new grid switching code. (Needs view switching added too to fully work)
First version of the new grid and view switching code. (Doesn't play well with the current view button setup)

 Also, some refactoring to clarify names
Removed superfluous freeze/thaw pair in grid adjustment code
Bug fix wip
Small code refactoring
Delmic XRC component definition code cleanup
Added initial version ViewportGrid Class to handle 2x2 and 1x1 viewport layout
Initial ViewportGrid layout algorithm
ViewportGrid layout and viewport placement code and test cases added
ViewportGrid viewport swapping integration into Analysis tab
Polar overlay focus fix
Removed old GridBagSizer layout from the SECOM tab and replaced it with the new ViewportGrid container
Selection box and line rendering improvements
Grid testing