optimize access to loop, key and value variables
Fixed the date filter's timezone not being set correctly with strings
Fixed a test on hhvm
minor #1471 Fixed a test on hhvm (hason)

This PR was merged into the 1.16-dev branch.

Discussion
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Fixed a test on hhvm

Commits
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0c169ce Fixed a test on hhvm
changed the way we check for HHVM
Update installation.rst

Refer to PGP signature verification in the installation instructions for tarballs.
updated CHANGELOG
Fixed "in" operator
Improved exception message while trying to access an attribute from an empty array.
[Ext] updating Twig extension for previous commit
minor #1475 Improved exception message while trying to access an attribute from an empty array (phansys, tucksaun)

This PR was merged into the 1.16-dev branch.

Discussion
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Improved exception message while trying to access an attribute from an empty array

Rebased #1439 in master and updated twig extension

Commits
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759a77d [Ext] updating Twig extension for previous commit
15ce450 Improved exception message while trying to access an attribute from an empty array.
Delimit comment in template using correct syntax

Enclose the comment in '{# #}' instead of beginning line with '#'.
Added note about array_merge php function
minor #1484 Delimit comment in template using correct syntax (johnberberich)

This PR was merged into the 1.16-dev branch.

Discussion
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Delimit comment in template using correct syntax

Enclose the comment in '{# #}' instead of beginning line with '#'.

Commits
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4e1515c Delimit comment in template using correct syntax
minor #1487 Added note about array_merge php function (pulzarraider)

This PR was merged into the 1.16-dev branch.

Discussion
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Added note about array_merge php function

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT

Just a small doc improvement.

Commits
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f712b8f Added note about array_merge php function
minor #1474 Update installation.rst (soatok)

This PR was merged into the 1.16-dev branch.

Discussion
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Update installation.rst

Refer to PGP signature verification in the installation instructions for tarballs.

Commits
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3c48cb1 Update installation.rst
add PHP 5.6 to .travis.yml
minor #1492 add PHP 5.6 to .travis.yml (sasezaki)

This PR was merged into the 1.16-dev branch.

Discussion
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add PHP 5.6 to .travis.yml

Commits
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ed7004b add PHP 5.6 to .travis.yml
Use LimitIterator on Iterable objects within the splice filter
Update convert_encoding.rst

The arguments were in incorrect order. The first should be `to` and the second should be `from` - just like the text describes it.