Rename ctest2 back to ctest

We will be able to publish the crate under the original `ctest` name, so
update its name and URLS here.

Author: tgross35

ctest/Cargo.toml

@@ -1,11 +1,11 @@
 [package]
-name = "ctest2"
+name = "ctest"
 version = "0.4.10"
 license = "MIT OR Apache-2.0"
 readme = "README.md"
-repository = "https://github.com/JohnTitor/ctest2"
-homepage = "https://github.com/JohnTitor/ctest2"
-documentation = "https://docs.rs/ctest2"
+repository = "https://github.com/rust-lang/libc"
+homepage = "https://github.com/rust-lang/libc"
+documentation = "https://docs.rs/ctest"
 description = """
 Automated tests of FFI bindings.
 """