exclude plumbing.core/update

it's not used, and it clobbers clojure.core/update, causing warns
under Clojure 1.7
Merge pull request #18 from MichaelBlume/exclude-update

exclude plumbing.core/update
Travis: test using Clojure 1.6&1.7, Oracle JDK 8
updated deps & new version
0.14.0
wip
Replace camel-snake-kebab with lettercase library
add support for s/Named, cleanup
Merge branch 'master' of github.com:metosin/ring-swagger

Conflicts:
	src/ring/swagger/common.clj
	src/ring/swagger/core.clj
update deps
bump up version
cleanup
plain-map?
remove dead code
test nested schemas with anonymous sub-schemas
unknown types return nil
fix #23
tested nested models
bump up version
update deps