Merge pull request #143 from retuxx/docu

fixed bootstrap script for Mac OS X
Add tooltips to user-provided text (helps to accomodate too-long names and msgs)
Ideally this would be done only if the widget is too small for the message, but
that can be quite difficult
Updated the completed transfers widget to work as advertised
Merge branch 'master' of https://github.com/tux3/toxgui
Fix #142
Merge pull request #153 from F1ynn/bugfix

Fix #142
Check that file transfer target is writable
Merge branch 'master' of https://github.com/dubslow/toxgui
Merge pull request #145 from dubslow/master

Add tooltips to user-provided text (helps to accommodate too-long names)
Mostly implemented latest toxav.h changes, but OnMediaChange still needs implementing
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