Reverse resolution of environment variables II

Reverse resolution of environment variables II	January 28th, 2009
	fix_path, programming, shell `[html]`

When I tried to add a new environment variable for reverse resolution by fix_path, it didn't work properly because at bbn there are multiple ways to refer to the home directory with different prefixes. (like /nfs/some/silly/internal/thing/home/jkaufman) So to fix this I've updated it: fix_path

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