Merge pull request #156 from dubslow/master

Mostly matched API changes, but avOnMediaChange still needs implementing
Fix build settings on Windows

I was missing GetAdaptersInfo@8, linked with iphlpapi
added placeholder text for chat input widget
use default invite message as placeholder text
Merge pull request #160 from retuxx/chat

Placeholder text for chat input and friend invite
Merge pull request #161 from dubslow/master

two minutiae, one of which is an updated bootstrap that's more useful to me
Fix friendList mixed horizontal & vertical scroll, improved scrollbar theme on OS X
Merge pull request #162 from F1ynn/friendlist-fix

Fix friendList mixed horizontal & vertical scroll, improved scrollbar theme on OS X
Italian translation: update
Merge pull request #163 from Ansa89/italian-translation

Italian translation: update
Randomized the bootstrap table, to distribute load away from the first 5