Ensure consistent unicode-str representation for query names
Merge branch 'master' of github.com:lenards/mr-naims

* 'master' of github.com:lenards/mr-naims:
  Better address file name in NeXML output
  Nicer nexml output filename, untested
  fix tree type nexml string
  Biopython is out, DendroPy is in
  remove extra debugging prints
  Rename Naixml to Tree
  rename nexml.py to trees.py
  Remove dependency on Bio.Phylo
  Naixml takes a type, can read other tree formats