Committer: Ingo Schmid (ingosch@gmx.at)

adding support for missing values to ols, via the IGNORE_MISSING flag.
It then looks up all indexes in y and ivs to reduce both to tuples of all good
values. This should produce accurate p values, better then ie. fill_m
	modified:   GLM/glm.pp
	modified:   GLM/glm.pp
BAd value support added for missing data to ols
	modified:   GLM/glm.pp
Added unit test for ols with bad value. Slight glm.pp code clean up.
Merge pull request #2 from maggiexyz/ols-fix

Ols fix