fix a typo
duplicate explaination of worker dependencies
Merge pull request #282 from alexfreska/master

Duplicate explanation of worker dependencies
Various touchups to Mix and OTP Chapter 3.
Missing a period
Merge pull request #283 from ernie/otp-chapter-3-touchups

Various touchups to Mix and OTP Chapter 3.
Expressions in guard clauses seem important enough to have their own header.
Merge pull request #284 from orderthruchaos/master

Expressions in guard clauses should have their own section.
Remove unused assets, do not rely on editor
Initial releases.csv for web installations
Merge pull request #285 from chyndman/releases-csv

Initial releases.csv for web installations
Change pre-release flag to release type descriptor
Correctly mark releases
Merge pull request #286 from chyndman/releases-csv-revision

Change pre-release flag to release type descriptor
Add example of Macro.var/2 to Meta guide

Since var!/2 no longer accepts atoms directly, Macro.var/2 is recommended.
Merge pull request #287 from hamiltop/master

Add example of Macro.var/2 to Meta guide
Release v0.14.2
Remove mention to deprecated size/1
Update 12.markdown