"top of a list" -> "head of a list"
Grammar fixes
Pass a cookie explicitly

This is more explicit and easier to copy than creating a ~/.erlang.cookie file
Intro typos
Reference a variable name instead of v(3)
Merge pull request #2 from alco/grammar-style-fixes

Grammar style fixes
Merge pull request #3 from jwarwick/readme_typos

Intro typos
Fixing typos through section 'Portal transfers'

Conflicts:
	README.md
Remove documentation drive note
Show code comment syntax and basic data types before moving on