Updated bootstrap-typeahead.js highlighter to apply `<strong>` not to the matched string, but instead to the remaining portion of the suggested item.

Updated bootstrap-typeahead.js highlighter to apply `<strong>` not to the matched string, but instead to the remaining portion of the suggested item. Has the effect of highlighting what the UI widget is offering to type-ahead for you rather than what you've already typed.

e.g.
user typed: Jin
item: Jingle
suggestion appearance: Jin<strong>gle</strong>

user typed: gl
item: Jingle
suggestion appearance: <strong>Jin</strong>gl<strong>e</strong>