Adding php.tools as suggestion for tools to format source code
Rephrasing paragraph to accommodate both php.tools and PHP-CS-Fixer
Replacing Zend with Magento
Fixing some grammatical mistakes
pygments option deprecated, using highlighter option instead
added missing starting php tag
Merge pull request #485 from peterkokot/patch-1

Pygments option deprecated, using highlighter option instead
Merge pull request #486 from peterkokot/patch-2

added missing starting php tag
Merge pull request #477 from dericofilho/gh-pages

Adding php.tools as suggestion for tools to format source code
Update text vendors to vendor on How to Define and Install Dependencies section.
Merge pull request #489 from frankperez87/composer-typo-fix

Update text vendors to vendor