[Console] use ANSI escape sequences in ProgressBar overwrite method#18496

Closed

alekitto wants to merge 2 commits intosymfony:2.7from

alekitto:fix_progress_bar

Commits on Apr 9, 2016

rewritten overwrite method in ProgressBar to correctly clear previously printed output
alekitto
committed

Commits on Apr 10, 2016

removed unused use statements
alekitto
committed