Remove the ability to "Send From" a frozen address.
Merge pull request #540 from grnbrg/master

Remove the ability to "Send From" a frozen address.
fix for getrawtransaction
check for QWebView and disable if not found
Merge pull request #546 from ortutay/osx-snowl-fix

check for QWebView and disable if not found
Merge remote-tracking branch 'upstream/master' into clean