changed name of get.metacommunity to get.communitytype. fixed bug in metastats command with low frequency OTUs. fisher[1] instead of fisher[i]. working on lefse command. fixed sffinfo index offset value when oligos file is used. changed default lookup file location.
Merge remote-tracking branch 'origin'
Merge remote-tracking branch 'upstream/master'

Conflicts:
	Mothur.xcodeproj/project.pbxproj