Squashed 'bellman/' changes from 4272cfa..2279da4

2279da4 Merge pull request #38 from debris/docs
2e57190 Remove documentation entry from Cargo.toml
346d540 bellman 0.2.0
8d79665 Merge pull request #93 from defuse/qed-it-lrz
f50079f Crate docs
701cb2b Update READMEs
ccf1ee9 CI: Check intra-doc links
ddd390a Add READMEs to Cargo.toml files
54d3122 Add missing cs.is_satisfied() to bellman test
52bf23c Fix build warnings
581ad35 boolean: adds tests for alloc_conditionally
0403396 blake2s: adds test vectors from go-jubjub
9f24e47 Fix blake2s test data length assertion.
42d5b3b Add blake2s test vectors for varying sizes from go-jubjub
b2597de pedersen_hash: removes debug prints
c903fad pedersen hashes: example of size limit bug
bc697c1 bellman: Fix compile errors without multicore feature
a4e5df9 Upgrade to hex-literal 0.2
c063509 Migrate bellman to crossbeam 0.7
1775843 Take self directly in into_* functions
614d784 Rename into_ -> to_ where &self is used.
08664b1 Address various clippy warnings/errors in bellman
bb11ef2 cargo fmt
cff2e2f cargo fix --edition-idioms for bellman
dc2a280 Add edition = 2018
1a2bc19 cargo fmt
ad37878 cargo fix --edition for bellman
e73d1a2 cargo fmt bellman
dfb86fc Move generic circuit gadgets into bellman
9b3d766 Migrate to rand 0.7
055280f Migrate ff, group, pairing, and bellman to rand 0.6
533d586 Migrate bellman to rand 0.5
bfa9aaf Merge pull request #61 from rex4539/fix-typos
3dd8490 Place bellman multicore operations behind a (default) feature flag
955e679 Merge pull request #46 from str4d/ff-traits
d4ddaa9 Fix typos
12f93f2 Add ff and group crates to Cargo workspace
2e35a32 Update sapling-crypto crate to use ff crate
2019e63 Update workspace after pulling in external crates

git-subtree-dir: bellman
git-subtree-split: 2279da422ca9d7b83e84cb85018c713976b873e5

.gitignore

@@ -1 +1,2 @@
 target
+Cargo.lock