0030268: Inspectors - improvements in VInspector plugin

0030268: Inspectors - improvements in VInspector plugin

Modifications in src:
implementing methods to have text information for some of OCCT enums;
moving out the text information from Quantity_Color;
expansionFactor() in Graphic3d_AspectText3d for access to this parameter;

Modifications in tools:
implementing common controls in ViewControl to be used in all plugins: table, property view and color selector;
move properties from columns of VInspector into property view, filled by tree view item selecting;
implementing new items (aspects, graphical information)
extending information of already existing items (presentations, selection entities)
display preview presentation for selected item (if possible, GetPresentations or GetPresentationShape of the item returns not empty value)

(cherry picked from commit bc0f06ac541d3e119109c5d6a0741b5bd42aad46)