Fix typo in QSettings docs.

Change-Id: I96dc2d57f5cc52c162ba0fd38d20141683847423
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>
Android: Fix Windows build with recent SDK

Since the dx tool has moved in the SDK, we need to update our copy
of it to also search in the new location for dx.jar.

Task-number: QTBUG-31405
Change-Id: If093a9f51f33c5d8666919f516a3b336322a7169
Reviewed-by: Ray Donnelly <mingw.android@gmail.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Reviewed-by: Paul Olav Tvete <paul.tvete@digia.com>
qdoc: excludedirs works again

It was comparing an absolute path to a relative path.
These could never be the same. Instead of the relative
path, it now gets the canonical absolute path, so the
comparison succeeds when it should.

Task-number: QTBUG-31404
Change-Id: I9c482d4649d493ce6d4f9a522cb61f2c8a5eb21f
Reviewed-by: Topi Reiniö <topi.reinio@digia.com>
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>
docs: DirView example uses QFileSystemModel not QDirModel

Change-Id: Ie172b1458401c4627314ff0db6992647388bf382
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>