cleanup
Merge remote-tracking branch 'upstream/master'

Conflicts:
	M2/Macaulay2/m2/ringmap.m2
cleanup
cleanup
change behavior of "degree" when grading not {1}
changed doc degree
changed degree doc
change degree doc
fix sign error in factor
degree doc change
add degree test
final touch to degree doc
do not link with gtest

 -- it's supposed to get compiled in via #include
Merge branch 'master' of https://github.com/Macaulay2/M2
fix "brew tap" instructions so they work
Merge pull request #117 from pzinn/master

Changes the behavior of "degree" when variables have degrees != {1}
licensing notes updated
add 'binomial' method for ring elements
Merge branch 'master' of github.com:Macaulay2/M2
Added an option to use the algorithm described in http://arxiv.org/abs/1402.2930 to compute characteristic classes using the projective degree