Prep for rc5 by copying rc4 docs into rc5 dirs

Copy all userguides from rc4 to rc5.
Copy all tutorials from rc4 to rc5.
Also update userguides.md, _config.yml.
Fixes ordering of sections in KijiMR userguide. Adds some fixes to Avro section.

Signed-off-by: Milo <milo@wibidata.com>
DOCS-42. Adds accordian box for music_schema.ddl.

Signed-off-by: Lee Sheng <lsheng@wibidata.com>
DOCS-43. Changes reference to PANDORA placeholder, to Pandorify.

Signed-off-by: Lee Sheng <lsheng@wibidata.com>
Adds a followup section to the music recommendation tutorial.

Signed-off-by: Lee Sheng <lsheng@wibidata.com>
Add links and edit music tutorial.

Signed-off-by: Lee Sheng <lsheng@wibidata.com>
DDLSHELL-15. Update docs to describe formatted keys in schema shell.

kiji-schema-shell rc5 permits composite row keys; this updates the
documentation to describe how you specify such a composite key.

Signed-off-by: Christophe Taton <taton@wibidata.com>
DOCS-49. Maven artifact info.

Signed-off-by: Milo <milo@wibidata.com>
DOCS-52. Fixes incorrect export of MUSIC_HOME in setup portion of music tutorial.
DOCS-53. Updates KijiMusic tutorial with CLI changes.

 - kiji ls becomes kiji scan in most cases.
 - small other fixes.

Signed-off-by: Christophe Taton <taton@wibidata.com>
Over-the-shoulder: Lee & Renuka.
Add rc5 copy of phonebook tutorial based on rc4.
Schema User Guide contains ls, get, scan.

Signed-off-by: Juliet Hougland <juliet@wibidata.com>
DOCS-55. Updates phonebook tutorial CLI commands and outputs.

 - also update links from rc4 to rc5.
Fixes lasts instances of kiji ls.

Signed-off-by: Juliet Hougland <juliet@wibidata.com>
SCHEMA-271. KijiMR Userguide fixes.

Signed-off-by: Shashir Reddy <shashir@wibidata.com>
Update documentation links to rc5

Signed-off-by: Aaron Feldstein <afeldstein@wibidata.com>
Add annotations 1.0.0-rc5 javadoc.
Add kiji-delegation 1.0.0-rc5 apidocs.
Add kiji-schema 1.0.0-rc5 apidocs.
Add KijiMR 1.0.0-rc5 apidocs.