Changing to markdown.
Fixing read me syntax error.
Added Events for snippets

Added 5 events: post_snippet_setup_create, post_snippet_setup_edit,
post_snippet_setup_delete, post_snippet_edit, post_snippet_delete.
Bumping the version to 3.0dev
Fixed a bug in which $this->settings->item was still being used (invalid in 2.1.3)
Merge pull request #24 from chadwithuhc/3.0/develop

Added Events for snippets
Merge branch '3.0/develop'

Conflicts:
	controllers/admin.php
	controllers/admin_setup.php