Feautures/grid spans
renames all vf-grid classnames to use a BEM-style syntax.
B - vf-grid
E - __col
M - --span
Also adds the number of spans or columns after the __col = __col-3 and __span = __span-3
renames all vf-grid classnames to use a BEM-style syntax.
B - vf-grid
E - __col
M - --span
Also adds the number of spans or columns after the __col = __col-3 and __span = __span-3