TAXXI method names

(name used in TAXXI files) = (name used in paper).

blca = BLCA
btop = BTOP
ctu = CT1
ctv = CT2
knn = KNN
ktop = KTOP
mc = Microclass
met = Metaxa2
nbc = NBC
q2b = Q2_BLAST
q2n = Q2_SK
q2v = Q2_VS
quc = Q1
rdp = RDP
sintax = SINTAX
spingo = SPINGO
top = TOP