Prepare to split Chap 1. Move Chap 2 to Chap 3
Make chapter title case consistent with Chapter 1
Split example code out of chapter 1 into chapter 2
Expand chapter 1's discussion of what Marpa is
Expand the explanation of what Marpa is and does
Expand on Marpa 'v' Regexps
Fix metacpan url, change dist to release
Fix typo. head => heard
Fix whose => which
Fix chapter name
Merge pull request #8 from pstuifzand/master

Merge Ron's changes.