Adding failing test cases for DCOM-151

Extracted from doctrine/common#233 by @f1nder
Applying hotfix for DCOM-151 as of doctrine/common#233
Skipping simple annotation reader test, would cause autoloading
Fix most common parsing failures when @ is present in the docblock but not for an annotation
Refactoring
Added phpunit as a dev dependency
Merge pull request #28 from Seldaek/doclexingfail

Fix most common parsing failures when @ is present in the docblock but not for an annotation
Merge pull request #31 from BenMorel/phpunit

Added phpunit as a dev dependency
Merge branch 'DCOM-151' of https://github.com/Ocramius/annotations into Ocramius-DCOM-151

Conflicts:
	lib/Doctrine/Common/Annotations/DocParser.php