Style update

changed the css to add the same 10px margin at the bottom of each
section
Link to collection of pattern implementations

See https://github.com/domnikl/DesignPatternsPHP
Merge pull request #406 from ylynfatt/gh-pages

Fixed typo in PHPDoc.md
Fixed typo
Merge pull request #408 from tylerpearson/gh-pages

Fixed typo
fix a typo
Merge pull request #409 from m92o/patch-7

fix a typo
Add note about patchwork utf8
Working with UTF-8
Charset in content-type
fix the indentation
Merge pull request #411 from m92o/patch-8

fix the indentation
Add new Templating section.
Merge pull request #413 from reinink/gh-pages

Add new Templating section.
Templating: added latte link
Merge pull request #415 from matej21/latte

Templating: added latte link
Several grammatic edits to introductory topics to improve readability and flow.
Merge pull request #416 from thinkhuman/gh-pages

Several grammatic edits to introductory topics to improve readability.
Tweak example code for PSR-1/PSR-2 coding standard
Update 07-01-01-Databases.md