document the configuration of the php-standalone and php-symfony lexers
Update installation.rst

"ACL" in uppercase for continuity reasons
Try to fix markup

XML section in http://symfony.com/doc/2.2/book/routing.html#creating-routes is missing line number and syntax coloration
add missing word
fixing link to the templating docs
Merge pull request #2968 from xabbuh/issue-2966

document the configuration of the php-standalone and php-symfony lexers
Update installation.rst

Possible spelling mistake?
Update installation.rst

Fixed typo at second position.
Merge pull request #2978 from KatharinaSt/patch-2

Update installation.rst
Merge pull request #2980 from lyrixx/patch-9

[2.2][Routing] Try to fix markup
Merge pull request #2987 from greg0ire/missing_word

add missing word
Merge branch '2.0' into 2.1
Merge branch '2.1' into 2.2
Merge branch '2.2' into 2.3