Add method isSuccessful() to improve Processus API.
Update API documentation.
[auto] Merge from Console

    • #e3db604 — Add method isSuccessful() to improve Processus API. (Stéphane PY, 2013-01-30)
    • #0b5b290 — Update API documentation. (Ivan Enderlin, 2013-01-30)

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Merge remote branch 'library-console/master'