Cpaster: Compile fix

Change-Id: Ifd4e47e5ebe7c1bc1c0e0a7dd133a2e682ef7b83
Reviewed-by: Christian Stenger <christian.stenger@digia.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
AbiWidget: Store the Abi in the combobox item data

This simplifies the retrieval of the ABI a bit at the cost of making the
handling of custom ABIs more tricky.

The good thing as that we used to loose the custom ABI settings when we
switched to a pre-defined ABI and that is no longer the case.

Change-Id: I0ac38c3da221acbbdeebc82121ca0d5387ebc04d
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
AbiWidget: Do not forget custom ABI

Do not forget custom ABI when switching to a supported ABI and back.

Change-Id: Ie44f2b22727607c61aa3940a3ab4620e4e5a5ac1
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
AbiWidget: Make custom ABI more explicit

Do use less d->m_abi->currentIndex() and introduce a method instead.

Change-Id: I1127ce37b62658f9cfc90cdb623a446d5dc449a8
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
AbiWidget: Add a method to retrieve the supported ABIs.

Change-Id: I291f6841c39b966b69f3776b4880c7b3f5274e24
Reviewed-by: Daniel Teske <daniel.teske@digia.com>