Allow WallComponent to dynamically configure columns opt.
Add bower dep resolutions
Move runtime columns relayout logic into WallView#relayout.
Update WallView example to test a case where WallView is rendered in an element not in the dom, then added. Make it so if .relayout() is called with no args, it will redetect an appropriate number of columns
Merge pull request #36 from Livefyre/config-columns

Config columns