fix(progressbar): limit max width to 100%

Closes angular-ui#3005

Author: hsubu

template/progressbar/bar.html

@@ -1 +1 @@
-<div class="progress-bar" ng-class="type && 'progress-bar-' + type" role="progressbar" aria-valuenow="{{value}}" aria-valuemin="0" aria-valuemax="{{max}}" ng-style="{width: percent + '%'}" aria-valuetext="{{percent | number:0}}%" ng-transclude></div>
+<div class="progress-bar" ng-class="type && 'progress-bar-' + type" role="progressbar" aria-valuenow="{{value}}" aria-valuemin="0" aria-valuemax="{{max}}" ng-style="{width: (percent < 100 ? percent : 100) + '%'}" aria-valuetext="{{percent | number:0}}%" ng-transclude></div>

template/progressbar/progressbar.html

@@ -1,3 +1,3 @@
 <div class="progress">
-  <div class="progress-bar" ng-class="type && 'progress-bar-' + type" role="progressbar" aria-valuenow="{{value}}" aria-valuemin="0" aria-valuemax="{{max}}" ng-style="{width: percent + '%'}" aria-valuetext="{{percent | number:0}}%" ng-transclude></div>
-</div>
+  <div class="progress-bar" ng-class="type && 'progress-bar-' + type" role="progressbar" aria-valuenow="{{value}}" aria-valuemin="0" aria-valuemax="{{max}}" ng-style="{width: (percent < 100 ? percent : 100) + '%'}" aria-valuetext="{{percent | number:0}}%" ng-transclude></div>
+</div>