Fix swipeable item breakage due to removal of "px" from CSS styles set during swipes

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@palm.com)
Update AroundList to match final List.js listTools definition

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@palm.com)
Fix missing placeholder from previous refactoring

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@palm.com)