Adding a note that XSD validation of config files is optional
Changing syntax used for missing code sections
Fixing minor rst errors
Adding some information on adding links within the documentation
Adding another page to the console section with info on general usage
Adding info on running help without a specific command
Adding info on linking to the PHP documentation
Fixing errors in console usage article
add @WouterJ catches
Fix minor typo
Grammar correction in Performance section
Fix typo
Merge pull request #1662 from richardmiller/fixing_minor_rst_errors

Fixing minor rst errors
Merge pull request #1663 from richardmiller/adding_info_on_links_in_docs

Adding some information on adding links within the documentation
Merge pull request #1666 from Squazic/fix_typo

Fix minor typo
Update contributing/code/tests.rst

Simplify PHPUnit installation instructions.
Merge pull request #1675 from jaikdean/grammar-corrections

Grammar correction in Performance section
Merge pull request #1676 from andreia/2.0

Fix typo
[Cookbook/Configuration] Created new article
"How to override Symfony's Default Directory Structure"
[Book/installation][Cookbook/configuration] Added note that refer to the
cookbook article