Update .gitignore
Update .gitignore

Change-Id: I91d78c34784c1c2b71816a21c4782a074a2ae664
Reviewed-by: Lorn Potter <0e329dfd61bdd4e2b2b708a31f12f199a7656feb@nokia.com>

richardmg/qtsensors,richardmg/qtsensors,richardmg/qtsensors,mer-qt/qtsensors,richardmg/qtsensors,mer-qt/qtsensors,mer-qt/qtsensors,kobolabs/qtsensors,kobolabs/qtsensors,mer-qt/qtsensors,richardmg/qtsensors,kobolabs/qtsensors,mer-qt/qtsensors,kobolabs/qtsensors