* Add Kind::Domain

* Add SSL support for security-framework

* Support BIT/VARBIT <-> BitVec conversions
* Add a Connection::query method
* Restructure FromSql to split the from null case to a separate method
* Restructure SslMode to store references to NegotiateSsls
* cancel_query now takes its data argument by reference
* Make DbError fields public and remove accessor methods
* Restructure Error and ConnectError variants
* Make the notification::Iter iterator perform nonblocking reads
* Add new SqlState codes from Postgres 9.5

* Make to_sql_checked! a bit more robust

* Bump openssl version

* Add a schema accessor to `Type`

* Add a name accessor to `Type`
* Add a notification iterator that blocks with a timeout
* Deprecate `FromSql::from_sql_nullable` and replace with
    `FromSql::from_sql_null`
* Accept byteorder 0.4
* Support modern serde_json

* The minimum required Rust version is now 1.2.

* `IntoConnectParams` now returns a `Box<Error>`.
* `Error::DbError` now stores a `Box<DbError>` instead of a `DbError`, cutting
    down the size of `Error` from 376 bytes to 34.
* Provide expected input formats to `ReadWithInfo`s.
* Overhaul the `copy_out` API. Instead of returning a `Read`er that has to be
    destroyed is weird and kind of bad. Instead, pass a `WriteWithInfo` into
    `copy_out`.
* Refactor notification API. `Notifications` is no longer an `Iterator` in
    itself, but instead has methods to return various kinds of `Iterator`s.

Merge branch 'release-v0.9.6' into release

Merge branch 'release-v0.9.5' into release

Merge branch 'release-v0.9.4' into release

Merge branch 'release-v0.9.3' into release

Merge branch 'release-v0.9.2' into release