Referenced oldest but still maintained version in contributing documentation.
Rewrote Templating Docs
Added documentation about profiler matchers
Removed duplicated stuff
Added docs about immutable dispatcher
Documented htmlPattern option
fixed XML examples
Unified autoloading
fixing commands in the reverse engineering example
gc_maxlifetime default value

The correct value of parameter gc_maxlifetime is not 14400 but 1440.
Clarified how to load translations from db

Added link the the translation loader tag documentation.
Removed trailing whitespace.
Change 'translation loader tag' to 'translation.loader tag'
Switched regular link to doc reference
"be cause" -> "because"
Fixed typo

Fixed typo [doubled words]
Merge pull request #2880 from petajaros/patch-1

gc_maxlifetime default value
Merge pull request #2735 from WouterJ/issue_955

[WIP] Rewrote Templating Docs
[#2735] Minor tweaks to the big, nice refactoring of the templating component done by WouterJ
The use of the undefined variable $router is confusing if you jump straight to http://symfony.com/doc/current/book/routing.html#generating-absolute-urls in the docs (as I did.)