Change-Id: If226707541b1fd4d5c22de2795fb39bc333cfa49
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

Change-Id: I88493d24a13b67b0768664db0504ce62d0a101aa
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

Change-Id: I6184eaede3b89933d4ac54a18004319409e72347
Reviewed-by: David Schulz <david.schulz@digia.com>

Change the preprocessor popup to a dialog.
Save the additional preprocessor directives to the session instead of the
.pro.user file.

Change-Id: I0d08c5684cfb21e822cde0a965c9cf14e5d6d47d
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>