Added function comment sniff.

It's a modified version of PEAR.Commenting.FunctionComment sniff.
Merge pull request #65 from ADmad/function-comment-sniff

Added function comment sniff.
Update installation and usage docs.

Fixes #73
Fix mistakes in composer.json.
Better php_codesniffer requirement.
Add workaround for phpcs fale.

Refs #74
Remove alignment checks
Merge pull request #76 from cakephp/remove-alignment-checks

Remove alignment checks
Move relevant files to a new directory named 'CakePHP'
Fix travis.yml and remove obsolete code related to re-layout

Fix travis
Merge pull request #77 from cakephp/easier-install

Easier install/config via composer
Update docs with recent composer changes

Closes #75
Ref: #77
Merge pull request #78 from cakephp/doc-updates

Update docs with recent composer changes