Errata, round 1

Some minor errata. For details, diff errata1 with filed.

Filed Version of Dav Clark's Thesis: Climate Change and Conceptual Change

This is likely the easiest way to see what the UC library will keep on file until they run out of money, or the energy becomes too expensive, or whatever other catastrophe results in the end of that era. I feel I needn't mention that the UC system may fail well after GitHub, or wherever things end up after GitHub fails (if anywhere). But, I stuck it here anyway.