[ImgBot] optimizes images - #1

*Total -- 1,453.28kb -> 1,250.48kb (13.95%)

/ui/images/overlay-pattern.png -- 14.62kb -> 0.28kb (98.08%)
/ui/images/bg-breadcrumbs-project-view.png -- 2.79kb -> 0.33kb (88.27%)
/systemvm/images/gray-green.png -- 3.74kb -> 0.45kb (88.08%)
/ui/images/bg-transparent-white.png -- 2.88kb -> 0.37kb (87.23%)
/systemvm/images/bright-green.png -- 3.81kb -> 0.52kb (86.24%)
/ui/images/bg-header.png -- 2.76kb -> 0.38kb (86.23%)
/ui/images/bg-breadcrumb.png -- 2.78kb -> 0.41kb (85.3%)
/ui/images/bg-breadcrumb-project-view.png -- 2.79kb -> 0.43kb (84.65%)
/ui/images/bg-nav-item.png -- 2.78kb -> 0.43kb (84.42%)
/ui/images/bg-nav-item-active.png -- 2.80kb -> 0.50kb (82.15%)
/ui/images/bg-breadcrumbs.png -- 3.00kb -> 0.55kb (81.57%)
/ui/images/bg-nav-item-active-project-view.png -- 2.85kb -> 0.55kb (80.76%)
/systemvm/images/left.png -- 2.95kb -> 0.58kb (80.22%)
/systemvm/images/right.png -- 3.06kb -> 0.63kb (79.53%)
/systemvm/images/right2.png -- 3.08kb -> 0.64kb (79.18%)
/ui/images/bg-gradient-white-transparent.png -- 3.96kb -> 1.03kb (74.09%)
/ui/images/bg-panel-shadow.png -- 0.94kb -> 0.32kb (66.35%)
/ui/images/bg-nav-item-project-view.png -- 0.97kb -> 0.33kb (65.42%)
/ui/images/bg-button-view-more.png -- 1.03kb -> 0.40kb (61.49%)
/ui/images/bg-table-head.png -- 1.06kb -> 0.42kb (60.79%)
/ui/images/bg-details-tab-gradient.png -- 1.10kb -> 0.44kb (59.91%)
/ui/images/bg-system-chart-lines.png -- 1.79kb -> 0.76kb (57.59%)
/ui/images/bg-section-switcher.png -- 0.99kb -> 0.42kb (57.17%)
/ui/images/bg-dialog-header.png -- 1.03kb -> 0.44kb (57.13%)
/ui/images/bg-dialog-body.png -- 4.54kb -> 2.08kb (54.25%)
/ui/images/minus.png -- 1.51kb -> 0.81kb (46.57%)
/ui/plugins/testPlugin/icon.png -- 7.76kb -> 4.46kb (42.55%)
/ui/plugins/quota/icon.png -- 2.83kb -> 1.66kb (41.37%)
/tools/logo/apache_cloudstack.png -- 152.14kb -> 92.15kb (39.43%)
/ui/images/logo.png -- 9.04kb -> 6.00kb (33.59%)
/ui/images/logo-login-oss.png -- 10.61kb -> 7.33kb (30.96%)
/tools/apidoc/images/cloudstack.png -- 8.37kb -> 5.94kb (29.05%)
/ui/images/bg-login.png -- 8.20kb -> 5.92kb (27.82%)
/ui/images/bg-status_box.png -- 2.76kb -> 2.05kb (25.75%)
/ui/images/bg-network.png -- 14.11kb -> 10.57kb (25.14%)
/ui/images/bg-naas.png -- 10.46kb -> 7.90kb (24.41%)
/ui/images/header-gradient.png -- 61.18kb -> 46.42kb (24.13%)
/ui/images/infrastructure-icons.png -- 65.26kb -> 50.01kb (23.37%)
/ui/images/gradients.png -- 11.18kb -> 8.72kb (22.02%)
/ui/images/bg-network-nat.png -- 11.26kb -> 8.80kb (21.85%)
/systemvm/images/notready.jpg -- 1.78kb -> 1.40kb (21.78%)
/systemvm/images/cannotconnect.jpg -- 1.77kb -> 1.39kb (21.16%)
/ui/images/bg-system-network-traffic.png -- 13.47kb -> 11.01kb (18.27%)
/ui/images/bg-notifications.png -- 3.98kb -> 3.38kb (15.14%)
/ui/images/sample-project-view.png -- 14.75kb -> 12.78kb (13.35%)
/ui/images/bg-gradients.png -- 7.36kb -> 6.71kb (8.82%)
/ui/images/bg-what-is-cloudstack.png -- 35.27kb -> 32.82kb (6.94%)
/ui/images/buttons.png -- 48.33kb -> 45.88kb (5.07%)
/ui/images/icons.png -- 47.22kb -> 45.47kb (3.72%)
/ui/images/bg-system-chart-compute.png -- 92.59kb -> 90.15kb (2.63%)
/ui/images/bg-install-wizard-header.png -- 67.79kb -> 66.35kb (2.12%)
/ui/images/bg-login.jpg -- 37.23kb -> 36.49kb (1.99%)
/ui/images/install-wizard-parts.png -- 608.76kb -> 602.05kb (1.1%)
/ui/images/bg-install-wizard-header.jpg -- 22.20kb -> 22.19kb (0.06%)