calc 2.14.2.1 release

The following are the changes in this release:

Added cal/fnv_tool.cal, a calc resource file defining:

find_fnv_prime(bits)
deprecated_fnv0(bits,fnv_prime,string)
fnv_offset_basis(bits,fnv_prime)
fnv1a_style_hash(bits,fnv_prime,prev_hash,string)

Fixed sorted order of cal/README.