Update yaml component docs to reflect Yaml::parse(filename) deprecation#2623

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weaverryan merged 2 commits intosymfony:2.2from

jbafford:i2570-22

May 10, 2013

Commits on May 8, 2013

Update yaml component docs to reflect 2.3 Yaml::parse(filename) deprecation
jbafford
committed
Changed note to caution; reworded; changed deprecation version
jbafford
committed