removed parameter from url_encode filter

the filter now only uses the more appropriate rawurlencode() which is also more consistent with the escape('url') filter
fixed url_encode when raw is false and URL is an array
feature #1390 fixed url_encode when raw is false and URL is an array (Tobion, fabpot)

This PR was merged into the 1.16-dev branch.

Discussion
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fixed url_encode when raw is false and URL is an array

alternative for #1388

Commits
-------

1930600 fixed url_encode when raw is false and URL is an array
49ba6b4 removed parameter from url_encode filter
added a note in the docs about the fact that installing the C ext is optional
Update slice.rst
minor #1422 Update slice.rst (1emming)

This PR was merged into the 1.16-dev branch.

Discussion
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Update slice.rst

Please state that Twig `slice` is  multi-byte safe since it uses `mb_substr` :)

Commits
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87165e7 Update slice.rst
Add 'PHP-twig for atom' package to IDEs support
minor #1426 Add 'PHP-twig for atom' package to IDEs support (zoltanradics)

This PR was squashed before being merged into the 1.16-dev branch (closes #1426).

Discussion
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Add 'PHP-twig for atom' package to IDEs support

Since Atom.io editor is growing, i would add this package to the list for people who would like to edit Twig in Atom.

Commits
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c90d469 Add 'PHP-twig for atom' package to IDEs support
fixed potential exception
Merge branch 'master' into 2.0-experimental

* master:
  fixed potential exception
  Add 'PHP-twig for atom' package to IDEs support
  Update slice.rst
  added a note in the docs about the fact that installing the C ext is optional
  fixed url_encode when raw is false and URL is an array
  removed parameter from url_encode filter

Conflicts:
	CHANGELOG
	composer.json
	ext/twig/php_twig.h
	lib/Twig/Environment.php
	lib/Twig/Node/Expression/Call.php