UCLN clock fix of stdev in BEAUti closes #533
UCLN clock fix of stdev in BEAUti closes #533

Anaphory/beast2,tgvaughan/beast2,tgvaughan/beast2,Anaphory/beast2,CompEvol/beast2,CompEvol/beast2,tgvaughan/beast2,tgvaughan/beast2,Anaphory/beast2,Anaphory/beast2,CompEvol/beast2,CompEvol/beast2