Modified AvailabilityMetric slightly to divide by nsamples + 1 instead
of nsamples.
Also modified MetaGenerator to look for network dataless only
SeedScan class now reads all /datalessDir/XX.dataless files into
a single MetaGenerator and then hands it off to Scanner

Merge branch 'master' of github.com:joeledwards/asl-java-tools

Conflicts:
	src/asl/seedscan/SeedScan.java