Update applying-functions-to.asciidoc

Example definition of map-kv via reduce-kv
Update applying-functions-to.asciidoc

Example use of map-kv
Update applying-functions-to.asciidoc

Added require to alias clojure.string
Update applying-functions-to.asciidoc

golf to conj
Update applying-functions-to.asciidoc

simplified example string parsing
Update applying-functions-to.asciidoc

threading
added licence agreement
moved orginal reduce-kv above additions
Merge pull request #149 from temacube/patch-1

Update applying-functions-to.asciidoc