Addition of Symfony to the shortlist of projects
Fixed typo: it > is
Merge pull request #244 from djoos/gh-pages

Addition + fixed typo
Adds Heroku to PaaS provider list.
Merge pull request #245 from patcon/patch-1

Adds Heroku to PaaS provider list.
Update _posts/05-05-01-Exceptions.md

The original purpose of this edit was to correct a gramatical error; however, this turned into a more detailed explanation of `Exception` sub-classing.
Merge pull request #246 from wilmoore/patch-1

Update _posts/05-05-01-Exceptions.md
Updated Code Style Guide 

People were getting the idea that PSR's were being forced down their throats.

Now we're recommending the PEAR style guide (only ever intended for PEAR packages) and the Zend style guide (only ever meant for Zend projects) as well as the PSRs (only ever intended for FIG projects).
Update 12-01-01-Community.md

A little bit of grammar cleanup. Added a link to the web irc freenode client and stackoverflow.
Merge pull request #250 from mkaatman/patch-2

Update 12-01-01-Community.md
Update Composer advice

Notable changes:
* Use composer itself to create `composer.json` file.
* Brief mention of flexible versioning
* Brief mention of the security advisory checker
* Brief mention of how to update
Merge pull request #252 from inanimatt/composer

Update Composer advice
Removed trailing whitespaces.
Enhanced the example for the Singleton design pattern.

- Moved static variable into the static creation method getInstance.
- Replaced "new self();" with "new static" (late static binding to allow
subclassing).
- Changed visibility of __construct to protected.
- Added the two private methods __clone and __wakeup.
- Added DocBlock comments.
- Updated description and enhanced with links to the PHP manual.
Merge pull request #253 from FlorianWolters/gh-pages

Enhanced the example for the Singleton design pattern.
Add links to Italian and Catalan translations
Introducing the German translation.
Closes #240: Explain how to manage PEAR dependencies with Composer
Merge pull request #259 from rwetzlmayr/gh-pages-en

Introducing the German translation.
Closes #251: Conditional arguments or Conditional statements