lp1778311 On-The-Fly Grid Column Resizing

lp1778311 On-The-Fly Grid Column Resizing

- Refactor Grid into HTML Table
- Enable Resize CSS class on Table Header Columns

Signed-off-by: Kyle Huckins <khuckins@catalyte.io>
 Changes to be committed:
	modified:   Open-ILS/src/eg2/src/app/share/grid/grid-body.component.html
	modified:   Open-ILS/src/eg2/src/app/share/grid/grid-body.component.ts
	modified:   Open-ILS/src/eg2/src/app/share/grid/grid-column-width.component.html
	modified:   Open-ILS/src/eg2/src/app/share/grid/grid-column-width.component.ts
	modified:   Open-ILS/src/eg2/src/app/share/grid/grid-header.component.html
	modified:   Open-ILS/src/eg2/src/app/share/grid/grid-header.component.ts
	modified:   Open-ILS/src/eg2/src/app/share/grid/grid.component.css
	modified:   Open-ILS/src/eg2/src/app/share/grid/grid.component.html