This is a hotfix release for sbt 1.0.x series.

### Bug fixes

- Fixes terminal echo issue. [#3507][3507] by [@kczulko][@kczulko]
- Fixes `deliver` task, and adds `makeIvyXml` as a more sensibly named task. [#3487][3487] by [@cunei][@cunei]
- Replaces the deprecated use of `OkUrlFactory`, and fixes connection leaks. [lm#164][lm164] by [@dpratt][@dpratt]
- Refixes false positive in DSL checker for setting keys. [#3513][3513] by [@dwijnand][@dwijnand]
- Fixes `run` and `bgRun` not picking up changes to directories in the classpath. [#3517][3517] by [@dwijnand][@dwijnand]
- Fixes `++` so it won't change the value of `crossScalaVersion`. [#3495][3495]/[#3526][3526] by [@dwijnand][@dwijnand]
- Fixes sbt server missing some messages. [#3523][3523] by [@guillaumebort][@guillaumebort]
- Refixes `consoleProject`. [zinc#386][zinc386] by [@dwijnand][@dwijnand]
- Adds JVM flag `sbt.gigahorse` to enable/disable the internal use of Gigahorse to workaround NPE in `JavaNetAuthenticator` when used in conjunction with `repositories` override. [lm#167][lm167] by [@cunei][@cunei]

### Internal

- Fixes unused import warnings. [#3533][3533] by [@razvan-panda][@razvan-panda]

  [@dpratt]: https://github.com/dpratt
  [@dwijnand]: https://github.com/dwijnand
  [@cunei]: https://github.com/cunei
  [@kczulko]: https://github.com/kczulko
  [@razvan-panda]: https://github.com/razvan-panda
  [@guillaumebort]: https://github.com/guillaumebort
  [3487]: https://github.com/sbt/sbt/pull/3487
  [lm164]: https://github.com/sbt/librarymanagement/pull/164
  [3495]: https://github.com/sbt/sbt/issues/3495
  [3526]: https://github.com/sbt/sbt/pull/3526
  [3513]: https://github.com/sbt/sbt/pull/3513
  [3517]: https://github.com/sbt/sbt/pull/3517
  [3507]: https://github.com/sbt/sbt/pull/3507
  [3533]: https://github.com/sbt/sbt/pull/3533
  [3523]: https://github.com/sbt/sbt/pull/3523
  [zinc386]: https://github.com/sbt/zinc/pull/386
  [lm167]: https://github.com/sbt/librarymanagement/pull/167