EncodingFixer (detect only)
feature #361 EncodingFixer (detect only) (keradus)

This PR was squashed before being merged into the 0.5.x-dev branch (closes #361).

Discussion
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EncodingFixer (detect only)

Fixer (Detecter?) for PSR1 ¶2.2 rule:
PHP code MUST use only UTF-8 without BOM

Fixer requested in #133

Commits
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07819f8 EncodingFixer (detect only)