link fix on front page
Merge pull request #615 from scopatz/fpfix

link fix on front page (doesn't really need to be merged since it's already corrected, but may as well clear out the pr list)
fix for compiling decay when pyne is amalgamated.
also fixing the dummies
Merge pull request #621 from scopatz/decamal

fix for compiling decay when pyne is amalgamated.