QmlJS: Fix grammar file

Do not reintroduce clang warnings when regenerating code from
the grammar file.

Change-Id: Ic065191b93e68d88792fedac9784e4fbeff08d6f
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
ProjectExplorer: Remove references to Qt4ProjectManager namespace

Change-Id: I384110b5aa91aec903af3b4bb2a158e1f0d4c918
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>