Add TODO notes

Signed-off-by: Francis Galiegue <fgaliegue@gmail.com>
1.5.0

* API updates to submit new keywords/format attributes; mark old API as
  deprecated, convert all tests/examples to use the new API.
* Add "properties" syntax checking for draft v4 :/
* Add official test suite to the tests.
* Update JSON Pointer draft.
* Update jackson-databind dependency update.

Francis Galiegue (29):
      README.markdown updates
      One more README.markdown update
      Define .alwaysTrue() for some more keyword validators
      One minor code modification
      InlineSchemaContainer: some code changes
      Add correct "properties" syntax checking validation for draft v4
      Announce 1.4.1
      Add official test suite copy and test it
      Remove unused test code :/
      Update JSON Pointer draft to version 7
      Introduce new static builder() method to JsonSchemaFactory
      First attempt at new, nicer API to extend upon an existing schema
      MetaSchema: some changes
      JsonSchemaFactory: get rid of Builder's "defaultKeywordRegistry" variable
      Get rid of BuiltinSchema
      MetaSchema: do not make .withURI() throw a JsonSchemaException
      Add constructors with a MetaSchema argument to all necessary classes
      Start and convert tests to use MetaSchema
      Convert all syntax checking tests to use MetaSchema
      Convert all keyword validation tests to use MetaSchema
      Basic tests for MetaSchema
      JsonSchemaFactory: add method to Builder to add a MetaSchema
      MetaSchema.Builder: rename methods
      pom.xml: show warnings and deprecations on compile
      pom.xml: jackson-databind dependency update
      Update remaining tests/examples to use MetaSchema instead of KeywordRegistry
      Javadoc updates
      Add TODO notes

Signed-off-by: Francis Galiegue <fgaliegue@gmail.com>