explain how to override form types
first draft cookbook before/after listeners
Fixed typos
typos detected by stof and add parameters section via xml and php
information on how to use a compiler pass to override a service
Merge pull request #1324 from mdpatrick/template_subdirs

Template subdirs
Fixes current year on contributing/code/licence
Merge pull request #1444 from import/2.0

Added Turkish translation repository link
adding WouterJ catches
Merge pull request #1447 from richardmiller/removing_moved_container_dumping_section

Removing moved container dumping section
Merge pull request #1448 from richardmiller/removing_unneeded_example_code

Removing unneeded example code
Fixed a mistake, the last block don't show as source code
Merge pull request #1450 from richardmiller/tidying_up_indexes

Tidying up some of the DI/DIC index entries
Merge pull request #1451 from richardmiller/adding_missing_index_entries

Added some missing index entries
Merge branch 'standardising_index_case' of https://github.com/richardmiller/symfony-docs into richardmiller-standardising_index_case

Conflicts:
	cookbook/bundles/best_practices.rst
Fix minor typo in documentation format docs.
Fix minor typos in page creation documentation.
Add link for psr0, psr1, psr2
Merge pull request #1455 from khepin/mime_types

[constraints] added link to mime-type reference
Example use of MaskBuilder showed bitmask as 15, should be 29 for this example