Bump tokio-tls to v0.2.0 (tokio-rs#531)

This prepares the crate for release.

Bump subcrate versions (tokio-rs#524)

* tokio-current-thread 0.1.1
* tokio-executor 0.1.3
* tokio-fs 0.1.3
* tokio-reactor 0.1.3
* tokio-tcp 0.1.1
* tokio-timer 0.2.5

Bump subcrate versions (tokio-rs#524)

* tokio-current-thread 0.1.1
* tokio-executor 0.1.3
* tokio-fs 0.1.3
* tokio-reactor 0.1.3
* tokio-tcp 0.1.1
* tokio-timer 0.2.5

Bump subcrate versions (tokio-rs#524)

* tokio-current-thread 0.1.1
* tokio-executor 0.1.3
* tokio-fs 0.1.3
* tokio-reactor 0.1.3
* tokio-tcp 0.1.1
* tokio-timer 0.2.5

Bump subcrate versions (tokio-rs#524)

* tokio-current-thread 0.1.1
* tokio-executor 0.1.3
* tokio-fs 0.1.3
* tokio-reactor 0.1.3
* tokio-tcp 0.1.1
* tokio-timer 0.2.5

Bump subcrate versions (tokio-rs#524)

* tokio-current-thread 0.1.1
* tokio-executor 0.1.3
* tokio-fs 0.1.3
* tokio-reactor 0.1.3
* tokio-tcp 0.1.1
* tokio-timer 0.2.5

Bump subcrate versions (tokio-rs#524)

* tokio-current-thread 0.1.1
* tokio-executor 0.1.3
* tokio-fs 0.1.3
* tokio-reactor 0.1.3
* tokio-tcp 0.1.1
* tokio-timer 0.2.5

tokio-fs: Bump version to 0.1.2 (tokio-rs#469)

* Add a couple of missing full stops in the documentation

Bump tokio-threadpool to v0.1.5 (tokio-rs#462)

Bump version of a number of sub crates (tokio-rs#414)

This includes:

* tokio-codec (0.1.0)
* tokio-current-thread (0.1.0)
* tokio-fs (0.1.1)
* tokio-io (0.1.7)
* tokio-reactor (0.1.2)
* tokio-udp (0.1.1)