add StrictParamFixer
feature #601 add StrictParamFixer (keradus)

This PR was squashed before being merged into the 1.0.x-dev branch (closes #601).

Discussion
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add StrictParamFixer

Functions should be used with $strict param.
Warning! This could change code behavior.

Commits
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978942c add StrictParamFixer
Merge branch 'master' of git://github.com/fabpot/PHP-CS-Fixer