Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
optimized-intersection
remove unneeded other variable
remove _.index in favor of _.contains in _.intersection
remove braces
Merge branch 'optimized-intersection' of https://github.com/mehdishojaei/underscore into optimized-intersection
one-liner variable declarations
use for loop in _.each even if Array.prototype.forEach is available

Currently, the behaviour of _.each depends on the availability of
Array.prototype.forEach, which can cause code to behave differently
in different environments.
remove references to native array methods
No need to escape tabs.

Literal tab characters are perfectly legal in a string literal.
Merge pull request #1538 from braddunbar/template-tabs

No need to escape tabs.
A little cleanup.

Shorten long lines, extract a function, and add comments.
Merge pull request #1540 from braddunbar/template

A little cleanup.
Conform with project style.
Merge pull request #1541 from braddunbar/else-if-style

Conform with project style.
remove seen variable
Merge pull request #1517 from mehdishojaei/optimized-intersection

Optimize _.intersection for performance
Edit for style.
Merge pull request #1544 from braddunbar/intersection

Edit for style.