merge changes from release-1.6 into master
remove a test from the makefile for library pari
fix the way "make check" works in the makefiles
fix makefile's check command for nauty
edit INSTALL file to add a package
edit INSTALL file
my makefile
Merge remote-tracking branch 'origin/release-1.6'
merge
Removing a bug report that seems to no longer be a problem, since in
M2 1.6 the result is correct:

    i5 : degrees target F

    o5 = {{0}, {-1}, {1}, {0}}
Added a new type MonomialAlgebra. Made function names consistent with the papers.
Merge pull request #17 from jankoboehm/master

Update MonomialAlgebras.m2
Merge branch 'master' of https://github.com/Macaulay2/M2
Changes to EngineTests.m2, which are being used in linalg branch on mikestillman