Android: Fix compile with Qt4

Change-Id: I3f1589b7ef08d288ad8b60dec29757d0c5d95e46
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
Git: Consolidate codec configuration retrieval

Change-Id: I6c099a5d0e4ffa180289bbecfe6d552b39d4aeaf
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
Git: Replace QStringList with QString in readConfig

All the calls pass a single argument

Change-Id: I95a7c44114ff2bb38cd65ab79a1e455dc969a62b
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
Git: Avoid QByteArray -> QString -> QByteArray conversions for encoding

Change-Id: Ib2eb3000a08021336c9071d35d499371c9b88976
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>