scalar: helper fn for readibility
scalar: rename recalcParams as it's helper
todo note
sdrcategory: reenable check for w to n ratio
scalar: add checks for likely mistakes in settings

catch "too small" parameter choices, which could make SP not work at all
scalar: add forced param, to skip safty checks

default = false = do checks
Scalar: set # of active bits to 21 (default), forced to override

you can use any number, if you provide forced=True to the constructor
pass forced=False parameter to each encoder using ScalarEncoder
add forced param to AdaptiveScalarEncoder
add forced param to delta encoder
add forced to logenc
add forced param to nonuniformenc
forced param for scalarspace
examples use forced=True (! not recommended)

just used for compatibility and readability. All new real applications
are advised to keep forced unset and obey the check w>=21 ON bits
Merge branch 'master' into scalar_w3
fix set min w >= 21

as written in description
fix examples to the w>=21 limit
fix w for integration tests
fix w for integration tests
Merge branch 'scalar_w3' of https://github.com/breznak/nupic into scalar_w3