Nowadays we don't use QString::null for special cases, thus the
filemanager can allow that.

Task-Nr: QTCREATORBUG-1072

We don't call EditorManager::openEditorWithContents without a
titlepattern, but that would crash

Properly register Qt versions and do not delete them afterwards

Task-number: QTCREATORBUG-1122
Reviewed-by: dt

Reviewed-by: ck

Doh! In contrast to the C++ version we are operating on ushort* here.

Task-number: QTCREATORBUG-1065
Reviewed-by: mae

breakpoints

Reviewed-by: Tobias Hunger

See Bauhaus-233

See: Bauhaus-577

there is now visual feedback that x,y,width,height cannot be changed
for anchored items
See BAUHAUS-228

Setting an expression is now one step in the Undo/Redo history
See Bauhaus-527

Reviewed-By: hunger

Reviewed-By: hunger

Reviewed-By: hunger

To be reused in the intel linux icpc parser

Reviewed-By: hunger

Task-Nr: QTCREATOR-116

Reviewed-by: ck

Reviewed-by: ck

Reviewed-by: thorbjorn

Got rid of the inner frame to make things look more
tab-like and less cluttered.

Make sure any mode that gets disabled is no longer displayed.

Task-number: QTCREATORBUG-1107
Reviewed-by: con

Task-number: BAUHAUS-504

For example:
    template <typename ::foo::bar>...

Done by: Roberto Raggi
Reviewed-by: erikv

The app bundles on mac as well as the Creator versions created
by the windows and linux installers also copy all required qms
for qt, etc, which we must not pick up in the iteration.

Task-number: QTCREATORBUG-1080
Reviewed-by: Erik Verbruggen

For example,
  template <template <typename> class X> struct foo {};

Reviewed-by: erikv

User can still see errors in About Plugins for disabled ones, too

Reviewed-by: mae

See Bauhaus 241

Reviewed-by: Erik Verbruggen