added extra include files search paths, see https://github.com/keplerproject/luarocks/issues/403#issuecomment-119726674 updated bak files as per @ignacio see https://github.com/keplerproject/luarocks/pull/407#discussion-diff-33782733
added extra include files search paths, see https://github.com/keplerproject/luarocks/issues/403#issuecomment-119726674
updated bak files as per @ignacio see https://github.com/keplerproject/luarocks/pull/407#discussion-diff-33782733

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