Merge pull request #41 from ignatenkobrain/patch-1

exclude unneeded files from crates.io

Cargo.toml

@@ -35,6 +35,7 @@ homepage = "https://github.com/contain-rs/vec-map"
 documentation = "https://contain-rs.github.io/vec-map/vec_map"
 keywords = ["data-structures", "collections", "vecmap", "vec_map", "contain-rs"]
 readme = "README.md"
+exclude = ["/.travis.yml", "/deploy-docs.sh"]
 
 [features]
 # This feature is kept for backwards compatibility. Use feature "serde" instead.