Merging - fingers crossed

Conflicts:
	system/database/drivers/mysql/mysql_driver.php
	system/database/drivers/mysqli/mysqli_driver.php
	system/libraries/Email.php
	user_guide/changelog.html
	user_guide/database/configuration.html
	user_guide/helpers/url_helper.html
	user_guide/libraries/cart.html
	user_guide/libraries/form_validation.html
tree: a4de86c0c6e95e6042ce66e84bdcd0c18c51d643
  1. .gitignore
  2. application/
  3. index.php
  4. license.txt
  5. system/
  6. user_guide/