Update 8.markdown

I believe the variable should be client as mentioned in L41 to be consistent?
Merge pull request #303 from Ortuna/patch-1

Update 8.markdown
Touchups to Mix and OTP Chapter 10

Of particular note is some exposition on why we might wish to dispatch
router requests to another node vs just run the requested process on the
found node.
Take into account both of José's notes
Merge pull request #304 from ernie/otp-chapter-10-touchups

Touchups to Mix and OTP Chapter 10
Talk about iex.bat on Windows
Rename releases.csv as elixir.csv, create erlang.csv
Merge pull request #305 from chyndman/elixir-erlang-csv

Rename releases.csv as elixir.csv, create erlang.csv
Add introducing Elixir
Add v0.14.3 to elixir.csv
fix variable name typo
Merge pull request #306 from dmcclory/master

fix variable name typo
small note regarding the sigil modifiers
Merge pull request #307 from edmz/patch-1

small note regarding the sigil modifiers
Use john and meg in code samples
Add headers to CSV files
Merge pull request #308 from chyndman/csv-headers

Add headers to CSV files
Clarification - tuples are not lists 

Original wording was ambiguous
Merge pull request #309 from nathanl/tuples_arent_lists

Clarification - tuples are not lists
Add install instructions for FreeBSD