moved elgg_view_icon html to own view for more flexibility
added a deprecate notice to the elgg_view_icon use of a boolean
Deprecated boolean class in elgg_view_icon for 1.9 instead of 1.8
added view docs
Merge pull request #6070 from jdalsem/#5856-elgg-view-icon-to-view

#5856 Adds output/icon view for more flexibility