documentation
Added Multiplicity Flag and Failed Path Flag
Merge branch 'Bertini' of https://github.com/antonleykin/M2 into Bertini

Conflicts:
	M2/Macaulay2/packages/Bertini.m2
	M2/Macaulay2/packages/Bertini/doc.m2
no undocumented symbols left... but several need much better docs
Fixed bug
Fixed errors that occurred during check "Bertini"
collection of small examples from Dan's webpage
RefinementFailure is defined in NAGtypes already
Merge branch 'Bertini' into NAG
changed things in PHCpack.interface...
a way to handle aux dir for a package
Merge branch 'NAG' of github.com:antonleykin/M2
more NumericalHilbert doc
TEST code