first pass at chapter 2
fix formating
Merge pull request #18 from phillwilt/typos

fixed two typos
Merge pull request #19 from enilsen16/master

Close #7 chapter 2 needs conversion to Markdown
Clean up section 2.3
Edit ch 2.
edit summary and wording
Merge pull request #20 from enilsen16/master

edit summary and wording
edit file name
fix typo in link to article. closes #17
Merge pull request #23 from sealocal/master

Close #17 fix typo in link to article
Update example_web_search_spec.md
add gitignore removing all of _book
Close #8 Chapter 3 needs conversion to Markdown
Merge pull request #28 from cclaiborne/master

Close #8 Chapter 3 needs conversion to Markdown
Hide and nest hints. Rearrange reading assingments.
Merge pull request #30 from codefellows/br-edits

Hide and nest hints. Rearrange reading assignments.
Close #32 Chapter 3 needs more formatting, before students access today
Close #29 Students are still using system git
Merge pull request #33 from codefellows/erik_edits

Close #29 and #32