fixes in the @return section; more markup
remove itemize in @return; add some markup; add links to neotoma functions; switch to singular function names
move details on the taxon lists to the details; link function names; add some markup
extra information is in the Details section
move the detail in @return to the @details section; no more changes as this is deprecated
moved infor to the @details; links to functions
Merge pull request #122 from gavinsimpson/doc-fixes

More Doc fixes