moreover, epsilon is useless with this transformation

Resolve "Cleaning of the Fortran codes"

Closes #18

See merge request !1

add spaces
C replaced by !

v1.3.2.58 BUG: RunModel_*GR* funs do not returned error message anymore when there are some negative values in the final states (except for ExpStore) #16

when which = "ActuEvap" or which = "All"
overlaid to potential evapotranspiration if already drawn

v1.3.2.50 BUG: add condition to avoid error when log_scale = TRUE, Qobs = NULL and user want to draw flows time series

v1.3.2.43 CLEAN: IsHyst declared as integer in RunModel_CemaNeige to be consistent with RunModel_CemaNeige and the airGR.c file

v1.3.2.39 CLEAN: version 2 of rda for cemaneige_hysteresis vignette to pass CRAN check with R < 3.5.0

v1.3.2.36 BUG: wrong conditional expressions correcttd to have a right number of end states returned by CreateIniStates for CemaNeige whithout hysteresis #5618

v1.3.2.29 CLEAN: lines moved to initialize Gthreshold and Glocalmax only when IsHyst in frun_CEMANEIGE.f

v1.3.2.28 BUG: wrong conditional expressions correctd to have a right number of end states returned by CreateIniStates for CemaNeige whithout hysteresis #5618

v1.3.2.27 BUG: right number of end states returned by CreateIniStates for CemaNeige whithout hysteresis #5618

v1.3.2.25 BUG: RunModel_CemaNeige now returns a ts of precipitation with an exact length  when IndPeriod_WarmUp = 0L (no warm-up) in CreateRunOptions #5622

v1.3.2.23 CLEAN: stringi removed in "Suggests" package list of DESCRIPTION file to avoid NOTE during CRAN check

v1.3.2.22 CLEAN: stringi added in "Suggests" package list of DESCRIPTION file to avoid NOTE during CRAN check