Reported bugs:

1. Printed reports display meters when ft are selected.

2. Printed reports display previous ies file label information.

Added features:

1. The Grid can be set in ft and meters

2. The lightmeter now works in fc and lux

3. The Initial lumen value is set when an ies file is loaded

4. A Light Loss Factor can be entered and is saved automatically

5. The 3d 'scale' label on the main screen was changed to 'zoom'