Added recipe: "Determining if a collection holds one of several values"
Updates to the Redis recipe

These are as requested by @rkneufeld.
Add instructions on how to include core.match as a dependency. Fix typos and code snippets which overflow in the book rendering.
Update clojure-cookbook.asciidoc to include 'basics' subdirectory
Add random-access file recipe.

This (my fourth recipe, yay!) fixes #176.
fix REPL session format
Merge pull request #213 from mrwhelan/shell

small, but probably important, addendum to recipe re futures
Merge pull request #218 from mrwhelan/lein-try

recipe: trying a library without a project
Merge pull request #208 from leonardoborges/master

Fixes for the recipe on custom data structures
Merge #209
merge conflicts
Merge pull request #210 from thebusby/master

Update clojure-cookbook.asciidoc to include 'basics' subdirectory
Move around basics folder
Merge pull request #214 from miner/fix-edn-record

fix REPL session format
Merge pull request #211 from eigenhombre/random-access-files

Add random-access file recipe.
Update See Also links in random access files recipe

* Cross references come through as "<page title> on page X" so I
  adjusted the grammar.
* Linkified web links

Thanks @eigenhombre!
Merge pull request #207 from bigjason/redis

Requested updates to the Redis recipe
Add new recipe under composite-data: 'Retrieving multiple keys'. Update composite-data index to include new recipe
Merge pull request #222 from leonardoborges/master

Add new recipe: 'Retrieving multiple keys'.
Ignore artifacts produced by AsciiDoctor

Use AsciiDoctor to live-preview your recipes as HTML: http://asciidoctor.org/docs/editing-asciidoc-with-live-preview/