Performance improvement when using --filter option with large test code base: PHPUnit_Framework_TestSuite::isTestMethod is the bottleneck.   * Now 2 times less calls from PHPUnit_Framework_TestSuite::addTestMethod   * Only 1 call to ReflectionFunctionAbstract::getDocComment
Performance improvement when using --filter option with large test code base: PHPUnit_Framework_TestSuite::isTestMethod is the bottleneck.
  * Now 2 times less calls from PHPUnit_Framework_TestSuite::addTestMethod
  * Only 1 call to ReflectionFunctionAbstract::getDocComment

Conflicts:
	PHPUnit/Framework/TestSuite.php

nelson6e65/phpunit,matheusgomes17/phpunit,OndraM/phpunit,ya7lelkom/phpunit,chrisbjr/phpunit,darol100/phpunit,malkusch/phpunit,MajorCaiger/phpunit,s001dxp/phpunit,duncan3dc/phpunit,DonaldKellett/phpunit,abacaphiliac/phpunit,masarakki/phpunit,lcp0578/phpunit,Shaked/phpunit,CarsonF/phpunit,simohammedhttp/phpunit,Maks3w/phpunit,kyale/phpunit,MartinhoOmura/phpunit,potherca-contrib/phpunit,ezzatron/phpunit,didiwuliu/phpunit,abachi/phpunit,Firehed/phpunit,FireWalkerX/phpunit,eelf/phpunit,luomor/phpunit,tronsha/phpunit,m157y/phpunit,stof/phpunit,asgrim/phpunit,SunDrop/phpunit,dshafik/phpunit,WebSeed/phpunit,HappyRay/phpunit,bradgrohs/phpunit,sebastianbergmann/phpunit,nonconforme/phpunit,9040044/phpunit,Ma27/phpunit,zhaoyan158567/phpunit,beealone/phpunit,imshibaji/phpunit,serbanghita/phpunit,giorgiosironi/phpunit,Lance0312/phpunit