merged branch Tobion/patch-4 (PR #60)
merged branch Tobion/patch-4 (PR #60)

Commits
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0b9fc9d improve the requirement checks
4f09dab fix phpdoc of SymfonyRequirements

Discussion
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optimize SymfonyRequirements

fix phpdoc of SymfonyRequirements
improve the requirement checks
- reordered the requirements to make more sense
- improve wording, e.g. a test message like "OK  Your project might not work properly ..." is very confusing when the requirement is fulfilled.
- made some tests conditional so that a requirement is only checked when necessary (otherwise it's misleading). E.g. only check Suhosin config, when Suhosin is installed.
- fixed compatibility with PHP 5.2

sensiolabs/SensioDistributionBundle,HeahDude/SensioDistributionBundle,HeahDude/SensioDistributionBundle,sensiolabs/SensioDistributionBundle