Announce 1.1.7

* Update msg-simple dependency.
* Fix gross mistake with message bundles loading.
* Make core error messages more informational.
* Get rid of all inheritors of ProcessingError; mark the latter as deprecated.
* Skeleton code for new schema walking logic.

Francis Galiegue (20):
      Announce version 1.1.6
      Minor javadoc fix
      SyntaxCheckersTest: solve the problem of number rendering, use %s...
      Candidate code for schema preprocessing
      SchemaExpander: use JsonPointer's .parent() method
      Get rid of SyntaxMessageBundle
      Preprocessing: add a comment on the candidate algorithm
      pom.xml: update version...
      Rename Schema{Walker,Listener}Provider to *Factory
      ResolvingSchemaWalker: grab error message from the correct bundle
      Candidate new interfaces for schema walking
      pom.xml: update msg-simple dependency
      Basic test for SchemaVisitor
      Fix gross error in message bundle resource path loading
      Improve core error messages
      Get rid of JsonReferenceError
      Mark ProcessingError as deprecated
      Get rid of the last ProcessingError reference in the code
      _Really_ delete LoadingConfigurationError
      1.1.7