Backport !744 Dashboard enhancements / quota view enhancements using bootstrap progressbars

interface/web/dashboard/dashboard.php

interface/web/dashboard/dashlets/limits.php

interface/web/dashboard/dashlets/quota.php

interface/web/dashboard/dashlets/templates/databasequota.htm

interface/web/dashboard/dashlets/templates/limits.htm

interface/web/dashboard/dashlets/templates/mailquota.htm

interface/web/dashboard/dashlets/templates/quota.htm

interface/web/dashboard/lib/lang/en_dashlet_limits.lng

interface/web/dashboard/lib/lang/nl_dashlet_limits.lng

interface/web/mail/list/user_quota_stats.list.php

interface/web/mail/templates/user_quota_stats_list.htm

interface/web/sites/aps_meta_packages/empty.dir

interface/web/sites/database_quota_stats.php

interface/web/sites/lib/lang/en_user_quota_stats_list.lng

interface/web/sites/lib/lang/en_web_sites_stats_list.lng

interface/web/sites/lib/lang/nl_user_quota_stats_list.lng

interface/web/sites/lib/lang/nl_web_sites_stats_list.lng

interface/web/sites/list/user_quota_stats.list.php

interface/web/sites/list/web_sites_stats.list.php

interface/web/sites/templates/database_quota_stats_list.htm