Added response, responses schemas, tests

Added model map samples, schema update

Grammar and phrasing fixes

updated schemas, tests to cover most all examples

updated response type to model refs

Use "$ref" to point to models instead of "type"

Added dropwizard-swagger to the list of libraries.

added model schema, test cases

moved xml hints to separate element, added response, resource samples

Fix minor spelling errors.

Corrected spelling mistake

added model sample with sample values

Update 04-models-with-subtypes.json

remove the -

add beego

Added swagger-assert

Update 05-models-with-subtypes.json

a few tweaks to make the structure valid json-schema

a few tweaks to the make the structure valid json-schema

added json-schema based compositin examples

Update 04-models-with-subtypes.json

Update 02-sample-remote-descriptions.json

I'm assuming this was intended to be an array? or is just missing a key?

functionality of extends is duplicate of allOf

Update 04-models-with-subtypes.json

Showing examples of using both json-schema validation and the an 'extends' keyword extension to ...

added subtype model

Officially support HEAD in the spec and jsonschemas

Update README.md

Fix typo - 'ahere' to 'adhere'

added readOnly field

added model sample

renamed `resources`, added second example

Simple 2.0 spec example

Allow https in basePath