refs #6133 Remove Edit Toolbar Actions.

The actions themselves still live in the ApplicationWindow, but have been removed from the edit menu and toolbar.
refs #6133 Remove Table Toolbars.

Should be entirely gone now.
refs #6133 Remove Column Toolbars.

Should be entirely gone now. Did not remove associated actions.
refs #6133. Remove 3D Plot Toolbar.
refs #6133. Remove items from File Menu.
refs #6133. Remove items from File Menu.
refs #6133. Remove selected from Plot Toolbar.
refs #6133. Edit + File Toolbars = Standard Toolbar.
Change magnifying glass to pan tool icon. Refs #6133
Change "Best Fit" tool tip to "Zoom to show all" Refs #6133

A bit more reflective of what it does.
re #6133 new project icons
re #6133 new open file icon
Move 3D surface toolbar to format menu. Refs #6133
refs #6133. Use new icons.
refs #6133. Tweak layout positions.