Minor edits to Chapter 3
Add comma for readability

For some reason the first time or two I saw this I kept reading it as "Ruby 1". Like the version. This was confusing me a bit. I think the comma helps.
Fix typo
Whitespace
Merge pull request #16 from jjbohn/jb-minor-fixes

Minor Fixes
Merge pull request #12 from ruby-hacking-guide/ch3-names-edits

Minor edits to Chapter 3
removed integrated guide as we have these chapters translated now
overwriting gc.textile with chapter05.textile
removed link to now redundant chapter05
Merge pull request #15 from avsej/master

Add simple and straightforward script to generate EPUB
Term "expression" is more popular than "formula"
Improve readability
Fix english translation
Fix grammar
A bit more grammar
Merge pull request #17 from avsej/typos

Term "expression" is more popular than "formula"
Merge pull request #18 from jjbohn/jb-minor-fixes

Some more grammar things
The rest of chapter 10
remove the current chapter 11
import Peter Zotov's translation

https://gist.github.com/whitequark/6210961