Package direcotry structure simplified
Term 'environment' renamed to 'monitor'
Typos fixed
Grammar DSL improved
Dense Fragments test for Json parser
Fragment Recovery test for Json parser
Fragment Recovery advanced test for Json parser
Merge branch 'json-fragmentation-tests'

- Lexer and Syntax parser grammar definition API changed from operator based to
  function based.
- Three additional functional tests for Json example parser implemented. These
  three test were designed specifically to test various code fragmentation
  cases.
- Minor refactoring:
  - Term "environment" renamed to "monitor" in context of functional tests.
  - Directory structure simplified.
Version 0.2.0