Don't crash then

Merge-request: 737
Reviewed-by: dt <qtc-committer@nokia.com>

Fix typo in QChar helper.
Add a auto tests for some of the dumpers.
Make the dumpers compilable for Qt < 4.5 for better regression tests.
Make manual tests compile with Qt < 4.5.

linux included it indirectly somehow, but relying on that is wrong and
breaks the freebsd build.

Task-number: 253365

Task-number: 253365
Reviewed-by: kh

Initial work on smart highlight of local symbols. For-statements and symbols genarated from a macro expansion are not yet highlighted.

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

Conflicts:
	src/plugins/qt4projectmanager/makestep.cpp

Reviewed-By: TrustMe

RevBy:    TrustMe

Tool chain type is saved in settings, make sure that the value doesn't
change between S60 enabled/disabled Qt Creator version.
Run configurations can change independent from the run settings
property page, re-add handling of signals.
Add some things to consider to the todo list.

Reviewed-by: dt

And if Qt version changed.

Transform the method in Qt4Project into a signal that is handled
by the run configurations themselves.

Not able to give it an additional passphrase yet, though.