.
added direct methods to add event cullers, canonicizers, event
drivers... (instead of using the displayName and factories)
added direct canonicizers, evetn drivers and cullers add procedures in
jgaap API class; updates to weka instances builder
Merge branch 'jsan_master' into jstylo_master
added StringDocument - string based document (rather than file)
modified cumulative feature driver to handle StringDocument types