iosrunconfiguration: use more descriptive method/variables names

removed use of shortened names

Change-Id: Icce8558a909e6fdd1c4d4f12ea273745fb21f5eb
Reviewed-by: Fawzi Mohamed <fawzi.mohamed@digia.com>
ios: add comment about repeated constants

Change-Id: Ibcce859abf8f97393e5d224eb6c3c63a3cddcf68
Reviewed-by: Fawzi Mohamed <fawzi.mohamed@digia.com>