Use hoard-sys from crates.io (#284)

* Use hoard-sys from crates.io
* Bump version to 0.3.1

Author: qinsoon

CHANGELOG.md

@@ -1,3 +1,11 @@
+0.3.1 (2021-04-06)
+===
+
+Misc
+---
+* Changed the dependency of hoard-sys to v0.1 from crates.io.
+
+
 0.3.0 (2021-03-31)
 ===
 

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "mmtk"
-version = "0.3.0"
+version = "0.3.1"
 authors = ["The MMTk Developers <>"]
 edition = "2018"
 license = "MIT OR Apache-2.0"
@@ -22,7 +22,7 @@ enum_derive = "0.1"
 libc = "0.2"
 jemalloc-sys = {version = "0.3.2", features = ["disable_initial_exec_tls"] }
 mimalloc-sys = "0.1.6"
-hoard-sys = { git = "https://[email protected]/paigereeves/hoard-sys.git", rev = "36989b877962f086267b1d21d5008c9df0fd0984" }
+hoard-sys = "0.1.0"
 lazy_static = "1.1"
 log = {version = "0.4", features = ["max_level_trace", "release_max_level_off"] }
 crossbeam-deque = "0.6"