Documented the new label_format option#4412

Closed

javiereguiluz wants to merge 5 commits intosymfony:masterfrom javiereguiluz:add_label_format_option

Commits on Nov 2, 2014

Commits on Nov 3, 2014

Commits on Nov 11, 2014

Reverted an accidental change in the subproject commit
javiereguiluz
committed