Proxies shouldn't serialize static properties in __sleep()
Add "@group" on some test
Merge pull request #296 from myclabs/ProxyStaticProperties

Proxies shouldn't serialize static properties in __sleep()
Throw an exception when generating a proxy class and the value for a
primary key is missing.
Merge pull request #298 from fredrik-w/silence-e_notice

Silence E_NOTICE warning: "Undefined index".
fix typo
Merge pull request #304 from samsonasik/fix/typo

fix typo
return parameter for debug method

Added $return as 4th parameter to specify whether to return the debug text or print it. It works similar to print_r function
Update lib/Doctrine/Common/Util/Debug.php

coding style  fixes
Minor CS fixes
Swapping `$return` with `$echo` to fix return value consistency
Adding tests to validate features of DCOM-162
Merge pull request #306 from doctrine/DCOM-162

DCOM-162 - Returning the dumped value in `Doctrine\Common\Util\Debug::dump()`
Fix the optimize regex and adapt the tests to actually test classAnnotationOptimize
Improve UnexpectedValueException error message

UnexpectedValueException::proxyDirectoryNotWritable() provides
information as to which directory was unwritable.
Merge pull request #312 from JamesGuthrie/fixErrorMessage

Improve UnexpectedValueException error message
Adding HHVM to build matrix
Merge branch 'feature/hhvm-build'
Explicitly requiring a newer PHPUnit version for builds
Merge pull request #308 from dawehner/bmaster

fix the optimize regex and adapt the tests to actually test classAnnotat...