Updated the QML front-end to release 88632908b8923e626f36b6132ac179553d39c333 (qt/kinetic-declarativeui)

At least for now we ignore the types of the actual arguments

... on popular request.
Task-number: QTCREATORBUG-164

Task-number: QTCREATORBUG-170

Apple gdb does not give any ^done or ^error for unknown command.
Work around by using -interpreter-exec console.

synchroneous mode

Task-number: QTCREATORBUG-176

doesn't seem to serve any purpose at this time.

and the latter is auto-tiggered by pretty much any breakpoint event.
this will kinda ensure that the markers are up-to date.

those pesky nested event loops ...

i pondered various other scenarios (in particular, the adapter or
gdb crashing while the nested loop is running), but did not discover
serious side effects of it, so i'm not trying to handle it specially.

- default to yes
- better message
- give it a parent

Reviewed-by: dt <qtc-committer@nokia.com>

Users can specify a S60 SDK root for Qt for Symbian versions
now.