Bug 870148 - Check vality of tel.value when importing contacts. r=gwagner

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extra : rebase_source : 67889d60976fdd3e709d687981b6923cf350f4a2
Bug 870148 - Check validy of email.value when importing contacts. r=reuben

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extra : rebase_source : f008fb7ae6807eb0240ebe817e88c38100cc367d