Support retrieving the stack of an error
Disable netscape API

Change-Id: If43ca28d250642bd65e550bb20349ebaddc4ce65
Enable simple hash for plugins
Use proper icu libraries on Windows.

static libraries are prefixed

Change-Id: I3eb8474bf181ec980737f4bac418f4ca7b5093eb
QtBridge: Don't pass the pointer, since it will be nulled