added; "track" option plugin to list
changed; "standard meta" pattern now enables list "track" option
added; "standard meta" pattern displays deprecation warning
added; unit test for list "track" option
added; helper functions for commonly used code
changed; _req_user.test to use helper functions
added; "track" option documentation to Keystone docs
formatting/phrasing changes to 'track' doc
phrasing changes to deprecation warning message (to match docs)
Merge pull request #523 from JohnnyEstilles/feature/adding-list-track-option

Adding List 'track' option (replaces #490)
Fixed link to dotenv project
Merge pull request #524 from mahnunchik/patch-1

Fixed link to dotenv project
Fixes #497
Added a Today button for Date and Datetime fields.
Merge pull request #530 from Globegitter/master

Added a Today button for Date and Datetime fields.
Merge commit '65eb26210dce1e40b4b43b8a06cbd0fe020b79aa'

Conflicts:
	public/js/common/ui.js
	templates/fields/date/form.jade
	templates/fields/datetime/form.jade
generated css