return the original obj in _.each. closes #1391
Test return value of _.each.
Merge pull request #1429 from braddunbar/each-test

Test return value of _.each.
fixes #349: add _.partition function
document _.partition
Merge pull request #1430 from jashkenas/GH-349

fixes #349: add _.partition function
simplify _.partition documentation example
each chaining docs
update copyright year range
Merge pull request #1434 from davidchambers/copyright-year

update copyright year range
use "predicate" where appropriate
Merge pull request #1435 from davidchambers/predicate

use "predicate" where appropriate
use consistent quoting style

  - 'string without quotes'
  - "string with 'single' quotes"
  - 'string with "double" quotes'
  - 'string with \'single\' and "double" quotes'
add anchor to each section in change log
Merge pull request #1436 from davidchambers/quotes

use consistent quoting style
Merge pull request #1437 from davidchambers/anchors

add anchor to each section in change log
remove redundant brackets from function signatures

Since "*" indicates zero or more occurrences, asterisk-prefixed args
needn't be marked optional (via "[...]").
capitalization fixes
add regexp flag order test for _.isEqual
add missing dev dependencies