Limit test jobs runtime to 30 minutes #62

Job	Run time
packages_split (Amazon, task-aws)	8s
packages_split (Analyzer, task-analyzers)	9s
packages_split (ApiGen, task-apigen)	9s
packages_split (Archive, task-archives)	13s
packages_split (Coverage, task-coverage)	11s
packages_split (DbDeploy, task-dbdeploy)	11s
packages_split (FtpDeploy, task-ftpdeploy)	8s
packages_split (Git, task-git)	7s
packages_split (Hg, task-hg)	13s
packages_split (Http, task-http)	9s
packages_split (IniFile, task-inifile)	12s
packages_split (Ioncube, task-ioncube)	7s
packages_split (JsHint, task-jshint)	9s
packages_split (JsMin, task-jsmin)	7s
packages_split (Liquibase, task-liquibase)	9s
packages_split (PhkPackage, task-phkpackage)	11s
packages_split (PhpDoc, task-phpdoc)	9s
packages_split (PhpUnit, task-phpunit)	8s
packages_split (Sass, task-sass)	9s
packages_split (Smarty, task-smarty)	13s
packages_split (Ssh, task-ssh)	8s
packages_split (Svn, task-svn)	13s
packages_split (Visualizer, task-visualizer)	9s
packages_split (ZendCodeAnalyzer, task-zendcodeanalyzer)	14s
packages_split (ZendServerDeploymentTool, task-zendserverdeploymenttool)	8s
	4m 4s

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