Add the toAscii() method.

Better with Normalizer. Add a tricky mode whether Normalizer is not
present.
Require ext/iconv and suggest ext/intl.
[auto] Merge from String

    • #7095bab — Add the toAscii() method. (Ivan Enderlin, 2013-02-06)
    • #9a29b33 — Require ext/iconv and suggest ext/intl. (Ivan Enderlin, 2013-02-06)

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Merge remote branch 'library-string/master'