a bug in the slice of a witness set
Software option mess in decomposition routines fixed; PHCpack trackPath interface switched start and target; other small things
interface PHCpack mixedVolume; wrapped PHCpack routines -- output parser seems to digest only _global_ variables
Added path failure warning
Cleaning up documentation
A second attempt to sync
Merge branch 'Bertini' of https://github.com/antonleykin/M2 into Bertini

Conflicts:
	M2/Macaulay2/packages/Bertini.m2
Cleaning up documentation and code
Cleaning up documentation and code
Resolving conflicts between Liz and Jose's copies

Conflicts:
	M2/Macaulay2/packages/Bertini.m2

M2/Macaulay2/packages/Bertini/TST/bertiniSample-bertiniComponentMemberTe
st.tst.m2
Copy for JSAG resubmission
Added warning in bertiniRefineSols doc
still wrong: bugs/anton/Bertini/witness_set_bug.m2
Merge branch 'NAG' of github.com:antonleykin/M2 into Bertini
couple bertini parameters translated
Fixed witness set bug
Fixed small bug in bertiniRefineSols
Merge branch 'Bertini' into NAG

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added most of track options to solveSystem
the order of arguments in bertiniTrackHomotopy was changed... causing a bug