Rename script.h/.cpp to scriptutils.h/.cpp (plus remove duplicated includes)
Move CScript class and dependencies to script/script
Separate script/interpreter
Separate script/standard
Separate CScriptCompressor
Separate script/sign
Merge pull request #4754

e088d65 Separate script/sign (jtimon)
9294a4b Separate CScriptCompressor (jtimon)
c4408a6 Separate script/standard (jtimon)
da03e6e Separate script/interpreter (jtimon)
cbd22a5 Move CScript class and dependencies to script/script (jtimon)
86dbeea Rename script.h/.cpp to scriptutils.h/.cpp (plus remove duplicated includes) (jtimon)

Rebased-by: Pieter Wuille