Merge pull request #4981

85c579e script: add a slew of includes all around and drop includes from script.h (Cory Fields)
db8eb54 script: move ToString and ValueString out of the header (Cory Fields)
e9ca428 script: add ToByteVector() for converting anything with begin/end (Cory Fields)
066e2a1 script: move CScriptID to standard.h and add a ctor for creating them from CScripts (Cory Fields)

diff --cc src/chain.h
Simple merge

diff --cc src/chainparams.cpp
Simple merge

diff --cc src/main.h
Simple merge

diff --cc src/miner.cpp
Simple merge