chore: repo maintenance + no path dependencies (#991)

- Move `tokio` into its own directory.
- Remove `path` dependencies.
- Run tests with once with crates.io dep and once with patched dep.

Cargo.toml

@@ -1,30 +1,7 @@
-[package]
-name = "tokio"
-# When releasing to crates.io:
-# - Update html_root_url.
-# - Update doc url
-#   - Cargo.toml
-#   - README.md
-# - Update CHANGELOG.md.
-# - Create "v0.1.x" git tag.
-version = "0.1.17"
-authors = ["Carl Lerche <[email protected]>"]
-license = "MIT"
-readme = "README.md"
-documentation = "https://docs.rs/tokio/0.1.17/tokio/"
-repository = "https://github.com/tokio-rs/tokio"
-homepage = "https://tokio.rs"
-description = """
-An event-driven, non-blocking I/O platform for writing asynchronous I/O
-backed applications.
-"""
-categories = ["asynchronous", "network-programming"]
-keywords = ["io", "async", "non-blocking", "futures"]
-
 [workspace]
 
 members = [
-  "./",
+  "tokio",
   "tokio-async-await",
   "tokio-buf",
   "tokio-codec",
@@ -44,88 +21,3 @@ members = [
   "tokio-udp",
   "tokio-uds",
 ]
-
-[features]
-default = [
-  "codec",
-  "fs",
-  "io",
-  "reactor",
-  "rt-full",
-  "sync",
-  "tcp",
-  "timer",
-  "udp",
-  "uds",
-]
-
-codec = ["io", "tokio-codec"]
-fs = ["tokio-fs"]
-io = ["bytes", "tokio-io"]
-reactor = ["io", "mio", "tokio-reactor"]
-rt-full = [
-  "num_cpus",
-  "reactor",
-  "timer",
-  "tokio-current-thread",
-  "tokio-executor",
-  "tokio-threadpool",
-  "tokio-trace-core",
-]
-sync = ["tokio-sync"]
-tcp = ["tokio-tcp"]
-timer = ["tokio-timer"]
-udp = ["tokio-udp"]
-uds = ["tokio-uds"]
-
-# This feature comes with no promise of stability. Things will
-# break with each patch release. Use at your own risk.
-async-await-preview = [
-  "tokio-async-await/async-await-preview",
-]
-
-[badges]
-travis-ci = { repository = "tokio-rs/tokio" }
-appveyor = { repository = "carllerche/tokio", id = "s83yxhy9qeb58va7" }
-
-[dependencies]
-# Only non-optional dependency...
-futures = "0.1.20"
-
-# Everything else is optional...
-bytes = { version = "0.4", optional = true }
-num_cpus = { version = "1.8.0", optional = true }
-tokio-codec = { version = "0.1.0", path = "tokio-codec", optional = true }
-tokio-current-thread = { version = "0.1.3", path = "tokio-current-thread", optional = true }
-tokio-fs = { version = "0.1.6", path = "tokio-fs", optional = true }
-tokio-io = { version = "0.1.6", path = "tokio-io", optional = true }
-tokio-executor = { version = "0.1.5", path = "tokio-executor", optional = true }
-tokio-reactor = { version = "0.1.1", path = "tokio-reactor", optional = true }
-tokio-sync = { version = "0.1.3", path = "tokio-sync", optional = true }
-tokio-threadpool = { version = "0.1.8", path = "tokio-threadpool", optional = true }
-tokio-tcp = { version = "0.1.0", path = "tokio-tcp", optional = true }
-tokio-udp = { version = "0.1.0", path = "tokio-udp", optional = true }
-tokio-timer = { version = "0.2.8", path = "tokio-timer", optional = true }
-tokio-trace-core = { version = "0.1", path = "tokio-trace/tokio-trace-core", optional = true }
-
-# Needed until `reactor` is removed from `tokio`.
-mio = { version = "0.6.14", optional = true }
-
-# Needed for async/await preview support
-tokio-async-await = { version = "0.1.0", path = "tokio-async-await", optional = true }
-
-[target.'cfg(unix)'.dependencies]
-tokio-uds = { version = "0.2.1", path = "tokio-uds", optional = true }
-
-[dev-dependencies]
-env_logger = { version = "0.5", default-features = false }
-flate2 = { version = "1", features = ["tokio"] }
-futures-cpupool = "0.1"
-http = "0.1"
-httparse = "1.0"
-libc = "0.2"
-num_cpus = "1.0"
-serde = "1.0"
-serde_derive = "1.0"
-serde_json = "1.0"
-time = "0.1"