Merge branch 'develop' into feature/unit-tests

Conflicts:
	.hgignore
tree: 9a4d5a8587da1dd3a365251afa37be2f835a53c2
  1. .gitignore
  2. application/
  3. index.php
  4. license.txt
  5. system/
  6. tests/
  7. user_guide/