[RegCNET] Interpolate observational data to the RegCM grid

[Armelle Reca C. Remedio]

Hi, the first step is to download the CRU dataset. Then specify the 
correct path/location of the downloaded dataset in cru.param.

hope it works
-armelle

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"Science can purify religion from error and superstition. 
Religion can purify science from idolatry and false absolutes." 
(Pope John Paul II, 1987) 
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