Perform unzip quietly in UpdatePagesService
Perform unzip quietly in UpdatePagesService

Closes https://gitlab.com/gitlab-org/gitlab-ee/issues/225

stoplightio/gitlabhq,stoplightio/gitlabhq,dplarson/gitlabhq,dreampet/gitlab,iiet/iiet-git,dplarson/gitlabhq,mmkassem/gitlabhq,t-zuehlsdorff/gitlabhq,t-zuehlsdorff/gitlabhq,dreampet/gitlab,axilleas/gitlabhq,mmkassem/gitlabhq,mmkassem/gitlabhq,stoplightio/gitlabhq,iiet/iiet-git,t-zuehlsdorff/gitlabhq,dreampet/gitlab,dreampet/gitlab,dplarson/gitlabhq,iiet/iiet-git,axilleas/gitlabhq,jirutka/gitlabhq,iiet/iiet-git,mmkassem/gitlabhq,axilleas/gitlabhq,jirutka/gitlabhq,jirutka/gitlabhq,t-zuehlsdorff/gitlabhq,stoplightio/gitlabhq,jirutka/gitlabhq,dplarson/gitlabhq,axilleas/gitlabhq