fix name for bower 
fix name for bower 

bower ion.rangeSlider#2.0.12                     extract archive.tar.gz
bower ion.rangeSlider#2.0.12                    EINVALID Failed to read /var/folders/1t/y1l91wl10c1dzz3682wqvnxh0000gn/T/moi/bower/ion.rangeSlider-16116-Lo4AXL/bower.json

Additional error details:
The name contains upper case letters


see https://github.com/bower/bower.json-spec#name
IonDen/ion.rangeSlider