Add a way to limit deserialized string lengths

and use it for most strings being serialized.
depends: fix shasum on osx < 10.9

Shasum verification from stdin doesn't work there, so we write to a file
instead.

Formatted a bit too.
build: add funcs.mk to the list of meta-depends

If anything in funcs.mk changes, everything must rebuild
build: Add --with-utils (bitcoin-cli and bitcoin-tx, default=yes).
Help string consistency tweaks. Target sanity check fix.
Merge pull request #4711

c101c76 build: Add --with-utils (bitcoin-cli and bitcoin-tx, default=yes). Help string consistency tweaks. Target sanity check fix. (randy-waterhouse)
Merge pull request #4709

e42363d build: add funcs.mk to the list of meta-depends (Cory Fields)
1910910 depends: fix shasum on osx < 10.9 (Cory Fields)
Merge pull request #4655

216e9a4 Add a way to limit deserialized string lengths (Pieter Wuille)