Throws away invalid SAs and allows DC to go through... considering this
option

ignored the invalid SApos tests for now. A warning would be better.
deleted issues handled
Merge branch 'issue_invalidFeatures'

Conflicts:
	test/data/issues/issues.txt
removed debug line
removed "converting" status println
cleanup
new issue
test for self referencing SA
now throws away self referencing SAs
cleaned up self ref eg from issues