Added "in" and "out" code blocks in the regex lessons.
Merge remote-tracking branch 'upstream/master' into fix-regex-markdown

Conflicts:
	intermediate/regex/07-one-last-wrinkle.md
Added the third notebook with 'evil' data in it.
Removed unnecessary "in" class blocks.
Fixed the indentation and moved notebook-3.txt to the 'evil' sub-directory.
Merge branch 'fix-regex-markdown' of https://github.com/ctjacobs/bc into fix-regex-markdown

Conflicts:
	intermediate/regex/07-one-last-wrinkle.md