NUTCH-1634 : readdb -stats shows the result twice

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NUTCH-1768 Upgrade to ElasticSearch 1.1.0

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NUTCH-1781 Update gora-*-mapping.xml and gora.proeprties to reflect Gora 0.4

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Temporary disable TestGoraStore due to GORA-326 Removal of _g_dirty field from _ALL_FIELDS array and Field Enum in Persistent classes

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NUTCH-1788 Tika may return multiple values for Title on PDF's

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Fixing blunder in Nutch-1781

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