[ALOY-1046] Fixed bug where the initial state of the buttongrid was never computed before being re-layed out because Mobile Web uses a timer to do the rendering. By adding a setTimeout(), we allow Mobile Web to compute the layout of the newly added elements before triggering the animation.
Merge pull request #436 from cb1kenobi/aloy-1046_1_4_X

[ALOY-1046] Fixed bug where the initial state of the buttongrid was never...