Time variables not associated with a model variable in an input file are
now ignored in time schedule.
Fixed segfaulting due to trying to write device buffers to files in new
NetCDF implementation. Fixed length of incremental evidences vector in
SMC^2.
Added --enable-openmp/--disable-openmp command-line option. Enabled by
default.
Fixed scaling of locally adapted proposal in SMC2.
Fixed ParticleMCMCNetCDFBuffer writing log-prior values to wrong
variable.