Patching install, Bill Applebe's fix

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extra : source : 3dc25a406a7fc1019628bda0a53ac981d4f9ec21
Updating changelog and contributors file

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extra : source : c51416683f69e7642f5027ebd3d42ae58c2a0135
Merge pull request #389 from einhverfr/master

Bill's additions to the INSTALL file