added timeout binary to system requirements check

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@4271 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
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git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@4272 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
added timeout to all external programm calls, to avoid zombie processes

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@4273 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
build auto version (3072) ...

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@4274 1f8fe7d8-47f0-464c-8d0a-336f4953ab05