v1.1.5 ICARUS frozen release unblinding

What's Changed

• Add a local knob value vector to allow for cases where we add 0 knob by @jacoblarkin in #279
• Update CNP stat covariance to consider data bins with 0 entries by @jacoblarkin in #280
• Correctly handle bounds of splines which don't contain 0 knob in input file by @jacoblarkin in #281
• Do FC syst only fit at the point we are testing by @jacoblarkin in #283
• shape only chi2 by @jacoblarkin in #284
• Add rateonly flag to data PROconfig by @jacoblarkin in #286
• Combined Unblinding Branch + Harmonic + Gradient by @markrosslonergan in #287
• Feature/project icarus dev/markross unblinding functions by @markrosslonergan in #282
• version v1.1.5 in cmake by @markrosslonergan in #292

Full Changelog: v1.1.4...v1.1.5