fixed issue #124
fixed issue #115
removed ic_factors from spectrometer preferences- moved to detectors.cfg
implemented issue #120
clear analysis cache action. remove analyses from cache when j changes
fixed get_ic_factor
updated truncation
updated truncation from a file
added additional truncation attrs
fixed prev blanks. fixed mass spec import
handle Inf
implemented issue #131
Merge branch 'release/2.0.2' into develop