Adds sample article page to cookbook
Removes obsolete .less configuration variables.
Adds css for the screen size helper gizmo.

Signed-off-by: Pedro Correia <pedro.a.correia@co.sapo.pt>
Fixes weird bug when visibility control classes where used in table elements.

Table elements must be restore to their default values: table, table-header-group, table-row-group, table-footer-group, table-cell or table-row.

Signed-off-by: Pedro Correia <pedro.a.correia@co.sapo.pt>
Updates compiled css.

Signed-off-by: Pedro Correia <pedro.a.correia@co.sapo.pt>
Merge branch 'v2' of git.intra.sapo.pt:ink into v2