Update mivExchangeAutoCompleteResult typelib.

Thunderbird 31 only recognized the interfaces implemented by it, not the
interface itself, which broke address auto completion. Fix the problem
by regenerating the xpt file using the latest xulrunner SDK.

Should hopefully fix #20.
Show address book matches in the popup window.

Especially when searching the GAL, it's very likely that there are
multiple matches for a given search string. In order to make the search
actually useful, one needs to select from that list, so the popup is
needed if there's more than one match.
Merge pull request #21 from dannybaumann/master

Fix composer autocompletion for TB 31.