Bug 1051973 - Refine appearance of suggestions/search history items. r=wesj

Bug 1051973 - (Part 1) Show 10 search history items

Bug 1051973 - (Part 2) Update history/suggestion items to use more condensed style

Bug 1051973 - (Part 3) Remove floating text animation
Merge pull request #92 from leibovic/itemstyle

Bug 1051973 - Refine appearance of suggestions/search history items