add a list of reserved arg names that will not be mapped to a arg holder
provide a  --sumac.debugArgs argument that will list the final values before validation of the arguments, without exiting.
Merge branch 'master' of github.com:quantifind/Sumac into pierre/sumacdebuglog

Conflicts:
	core/src/main/scala/com/quantifind/sumac/ArgumentParser.scala
add test for reserved args
Merge pull request #32 from quantifind/pierre/sumacdebuglog

provide a --sumac.debugArgs argument that will list the final values