buildrom.sh: Fixed ls errors on initial rom builds

Signed-off-by: Andreas Pohl <apohl79@gmail.com>
common-4.2: Added Keyboard Manager 2.5

Signed-off-by: Andreas Pohl <apohl79@gmail.com>
Added Nexus 7 GSM

Signed-off-by: Andreas Pohl <apohl79@gmail.com>
buildrom.sh: Fixes

Signed-off-by: Andreas Pohl <apohl79@gmail.com>