Add a few things to the .gitignore file.
Add a few things to the .gitignore file.

A few Mac specific things, plus .o files.

Change-Id: I7273977666a07cdf39cf0916bc5c2dbede30af05
Reviewed-by: Dmytro Poplavskiy <72e04cfb587e72184d425a79cb5cea0021f0b982@nokia.com>

nezticle/qtmultimedia,nezticle/qtmultimedia,sergiusens/qtmultimedia,webOS-ports/qtmultimedia,mer-qt/qtmultimedia,nezticle/qtmultimedia,mer-qt/qtmultimedia,mer-qt/qtmultimedia,jfaust/qtmultimedia,jfaust/qtmultimedia,sergiusens/qtmultimedia,sergiusens/qtmultimedia,jfaust/qtmultimedia,webOS-ports/qtmultimedia,webOS-ports/qtmultimedia,webOS-ports/qtmultimedia,jfaust/qtmultimedia,sergiusens/qtmultimedia,webOS-ports/qtmultimedia,jfaust/qtmultimedia,sergiusens/qtmultimedia,nezticle/qtmultimedia,nezticle/qtmultimedia,mer-qt/qtmultimedia,mer-qt/qtmultimedia