Android: remove environment variable warnings at app startup.

Change-Id: I8542809fd16465a29b4fb7e8276b63d71e1b9c0e
Reviewed-by: Paul Olav Tvete <paul.tvete@digia.com>
Fix: warning/compilation issue on android

Compiler would complain "error: format not a string literal and no
format arguments [-Werror=format-security]", since the third argument
of __android_log_print() is actually the format string.
__android_log_write() is anyway more suited since we're not using any
format here.

Change-Id: Ic19102a9f15038a7cfcb06b605d7b9a73c3e1175
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>
Fix configure warnings on Windows 7 with MSVC2010.

Change-Id: I5c4e27d6437cdf7b0dfd17df812d4506d1be4fb9
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Fix truncation and conversion warnings on MSVC2010.

Change-Id: I44845e13b97753333a7c80a80ead0b352b8906b0
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Doc: Fix module names of multimedia examples in manifest-meta

These examples are not in Qt Multimedia, but in
Qt Multimedia Widgets module.

Change-Id: I44fe0f10aa3229068646ff226551398a0cb3e27e
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>