ProjectExplorer: Fix MSVC compilation

Change-Id: I6062c1e9832bb9f50dd3439724706e1732c73720
Reviewed-by: hjk <hjk121@nokiamail.com>
CPaster: Move setting category icon from Core to CPaster

This image is used exclusively in the CPaster plugin,
thus belong into CPaster resources.

Change-Id: If2718c7a58bca389c0afe7ecf32feb251eb0c581
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>