Squashed commit of the following:

commit 34eb5751c760cf1f11cdbab920d6a3a1c6f06640
Author: Matt Hurne <matt@thehurnes.com>
Date:   Tue Oct 15 15:54:20 2013 -0400

    Remove unnecessary defensive close of Reader

commit 38e51606750517d4a52571c408190e614a4a4834
Author: Matt Hurne <matt@thehurnes.com>
Date:   Tue Oct 8 13:59:35 2013 -0400

    Replace wildcard import with individual imports

commit cc845814ea677ba5920caf5a7a914010623caf1e
Author: Matt Hurne <matt@thehurnes.com>
Date:   Tue Oct 8 13:55:37 2013 -0400

    Revert GitHub example to use JacksonDecoder rather than JacksonModule now that JacksonDecoder behaves sensibly with its default ObjectMapper

commit 8b9638261afe2549c3a43238ee1b66d044f969f4
Author: Matt Hurne <matt@thehurnes.com>
Date:   Tue Oct 8 13:52:45 2013 -0400

    Configure default ObjectMapper used by JacksonEncoder and JacksonDecoder with sensible overrides of default behaviors

commit 0f275bf7574b66c20a0e6aefe0140f599638992f
Author: Matt Hurne <matt@thehurnes.com>
Date:   Tue Oct 8 13:18:26 2013 -0400

    Unwrap RuntimeJsonMappingExceptions caught in JacksonDecoder, since they are only ever used to wrap JsonMappingExceptions, which are IOExceptions.

commit 1b6995260a5727796e388bbb0b6c88b65e182415
Author: Matt Hurne <matt@thehurnes.com>
Date:   Tue Oct 8 13:09:44 2013 -0400

    Update Jackson integration README

commit add4007a59559e7b4e2accfa0b0a0215bab62cef
Author: Matt Hurne <matt@thehurnes.com>
Date:   Tue Oct 8 13:07:35 2013 -0400

    Update CHANGES and README to reflect addition of Jackson integration

commit 86c0fcfc704b1b8d03e5eaf69c608fc2761d617b
Author: Matt Hurne <matt@thehurnes.com>
Date:   Tue Oct 8 12:11:56 2013 -0400

    Update Jackson GitHub example to make use of JacksonModule, and to avoid the need for Jackson annotations

commit 1552b3f8239636da0f27ace3c7b42038536e5caf
Author: Matt Hurne <matt@thehurnes.com>
Date:   Tue Oct 8 12:05:56 2013 -0400

    Replace wildcard import with individual imports

commit 0b7cfd08516dfbf66f1a69263ed456f2c0671c76
Author: Matt Hurne <matt@thehurnes.com>
Date:   Tue Oct 8 11:01:11 2013 -0400

    Initial implementation of Jackson codec

    This new codec may be used as an alternative to Gson.

commit 94027ec3319f5145c0e18ef472d8e928e97a9527
Author: Matt Hurne <matt@thehurnes.com>
Date:   Tue Oct 8 08:31:14 2013 -0400

    Improve EncodeException and DecodeException Javadoc comments