fixed errors in AnnotationsController + added support for timeRange for PopCorn player (youtube etc) + fix slight mistake in timerange code
// Horizontal dividers
//
// Dividers (basically an hr) within dropdowns and nav lists
.nav-divider(@color: #e5e5e5) {
height: 1px;
margin: ((@line-height-computed / 2) - 1) 0;
overflow: hidden;
background-color: @color;
}