Refactor FFT infrastructure (#28)

* Update API of EvaluationDomain

* Update gm17 to use new API

* Move fft infrastructure to its own crate

* Fix gm17 to work with ff-fft

* Refactor polynomial infrastructure

* Change .travis-yml to not compile in release and to not run DPC tests

Cargo.toml

@@ -1,6 +1,6 @@
 [workspace]
 
-members = [ "dpc", "algebra", "r1cs-core", "r1cs-std", "gm17", "bench-utils" ]
+members = [ "algebra", "ff-fft", "r1cs-core", "r1cs-std", "gm17", "dpc", "bench-utils" ]
 
 [profile.release]
 opt-level = 3

r1cs-std/Cargo.toml

@@ -12,7 +12,7 @@ authors = [
 description = "A standard library for constraint system gadgets"
 homepage = "https://libzexe.org"
 repository = "https://github.com/scipr/zexe"
-documentation = "https://docs.rs/snark-gadgets/"
+documentation = "https://docs.rs/r1cs-std/"
 keywords = ["zero knowledge", "cryptography", "zkSNARK", "SNARK"]
 categories = ["cryptography"]
 include = ["Cargo.toml", "src", "README.md", "LICENSE-APACHE", "LICENSE-MIT"]