Import linked-hash-map-0.5.3

Change-Id: I78d7d33b577615003c24db221f0f99413df223fa
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
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--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,44 @@
+# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
+#
+# When uploading crates to the registry Cargo will automatically
+# "normalize" Cargo.toml files for maximal compatibility
+# with all versions of Cargo and also rewrite `path` dependencies
+# to registry (e.g., crates.io) dependencies
+#
+# If you believe there's an error in this file please file an
+# issue against the rust-lang/cargo repository. If you're
+# editing this file be aware that the upstream Cargo.toml
+# will likely look very different (and much more reasonable)
+
+[package]
+name = "linked-hash-map"
+version = "0.5.3"
+authors = ["Stepan Koltsov <stepan.koltsov@gmail.com>", "Andrew Paseltiner <apaseltiner@gmail.com>"]
+exclude = ["/.travis.yml", "/deploy-docs.sh"]
+description = "A HashMap wrapper that holds key-value pairs in insertion order"
+homepage = "https://github.com/contain-rs/linked-hash-map"
+documentation = "https://contain-rs.github.io/linked-hash-map/linked_hash_map"
+readme = "README.md"
+keywords = ["data-structures"]
+license = "MIT/Apache-2.0"
+repository = "https://github.com/contain-rs/linked-hash-map"
+[dependencies.clippy]
+version = "0.*"
+optional = true
+
+[dependencies.heapsize]
+version = "0.4"
+optional = true
+
+[dependencies.serde]
+version = "1.0"
+optional = true
+
+[dependencies.serde_test]
+version = "1.0"
+optional = true
+
+[features]
+heapsize_impl = ["heapsize"]
+nightly = []
+serde_impl = ["serde", "serde_test"]