Cocoa: align font dialog helper with the color one

The reference color dialog helper change is
eeffcfbd89a0b386c5757e8c67b76c5bccc84ffd.

Change-Id: I35b505cce133adeed91df7c95b21f7c74c55cb53
Reviewed-by: Shawn Rutledge <shawn.rutledge@digia.com>
Remove hard-coded disabling of qtdeclarative on iOS

Instead the module decides now itself whether it supports iOS or not, because
soon it will enable itself :)

Change-Id: I4802441f0a01ed62966a7a0e66f5a8ccfe843cb8
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
qdoc: Ensure obsolete members file is written

In the case where the only obsolete members of a class
were actually non-members but just related functions,
the help file writer didn't include a reference to the
obsolete members file. This update fixes that bug.

Task-number: QTBUG-31379
Change-Id: I065da649bc12e3dcc81244939be0162599d54be9
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>