Don't recommend building Qt for iOS as -developer-build

It enables -Werror and other "goodies" that we don't want to bother
end users building Qt from source with.

Change-Id: I36e7c8e3f8af3b7907b515648ff65ff83574bffb
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@digia.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Doc: Update "Getting Started" guide for changes in Qt Creator 3.0

"Qt Gui Application" is renamed in Qt Creator 3.0. Outdated docs can
cause confusion for newcomers.

Task-number: QTBUG-35082
Change-Id: I2cf577f5686de945e764fc2ed0835fd916f6064e
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@digia.com>
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Doc: Fix version number


Change-Id: If8ecc3d917328a19cbf9d493f68d703ee70676fc
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>
Added platform notes for Qt Multimedia on Android.

Task-number: QTBUG-35075

Change-Id: I3840d048788321bef4fe655bef685af5b075d9ac
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>
Merge remote-tracking branch 'origin/release' into stable

Change-Id: I55428078e50c82db5590f36e197a9f6fc37c655f