Complete all Tests for Genomix Node, Now Genomix node is safe temparally
small tweaks
change name of startReadIds and endReadIds to unflippedReadIds and flippedReadIds.
format node Test
remove un-used "else" branch
hyracks and pregelix have separate app.home's but shared lib
binary-assembly.xml includes hyracks and pregelix subdirs
script arg for cluster type; detect startup errors; use generated confs
remove makeScratchDirs
use coprocs to detect early exits; standardize var names
use separate logging.properties for driver and workers; pom-specified logging
remove non-driver entry points and scripts
remove unnecessary loadLoggingFile (now set in pom)
use brittle eval instead of less available `coproc`
simplify cluster start/stop as single entry point for both types
remove unnecessary -followsGraphBuild
remove debug lines from driver
add cmdline option to use an existing cluster
undo removal of genomix-hyracks test-jar and pregelix assembly
fix to allow existing clusters