install: new config file for the whole sparc, with the lens switches and filter

also change the simulator of the sparc to include the (simulated) switches
driver tlfw: allow string as name of the band

This allows unusual filters to be described in the filter wheel
gui settings: simplify selection of the exposureTime range
gui tabs: automatically switch on the lenses based on current mode

lens alignment => no lens & no mirror
ar => lens & no mirror
spec => lens & mirror
gui settings: add combo box for selecting filter on SPARC