@(userName: String, size: Int, tooltip: Boolean = false)(implicit context: app.Context)
@import context._
@import view.helpers._
@if(tooltip){
  <img src="@url(userName)/_avatar" data-toggle="tooltip" title="@userName" class="avatar" style="width: @(size)px; height: @(size)px;"/>
} else {
  <img src="@url(userName)/_avatar" class="avatar" style="width: @(size)px; height: @(size)px;"/>
}