Fixing an error in the grading group of the 122 example

git-svn-id: svn://svn.macaulay2.com/Macaulay2/trunk@15805 a8012f80-5f13-0410-8dc0-eb77bd940c0d
Update Posets routines moebiusFunction and intersectionLattice

git-svn-id: svn://svn.macaulay2.com/Macaulay2/trunk@15810 a8012f80-5f13-0410-8dc0-eb77bd940c0d
Update projectivizeArrangement in Posets

git-svn-id: svn://svn.macaulay2.com/Macaulay2/trunk@15811 a8012f80-5f13-0410-8dc0-eb77bd940c0d
Added boundedRegions and realRegions to Posets

git-svn-id: svn://svn.macaulay2.com/Macaulay2/trunk@15814 a8012f80-5f13-0410-8dc0-eb77bd940c0d
Updated documentation / code formatting for Posets.

git-svn-id: svn://svn.macaulay2.com/Macaulay2/trunk@15823 a8012f80-5f13-0410-8dc0-eb77bd940c0d
git-svn-id: svn://svn.macaulay2.com/Macaulay2/trunk@15824 a8012f80-5f13-0410-8dc0-eb77bd940c0d
commented out garbage test in the middle of the file

git-svn-id: svn://svn.macaulay2.com/Macaulay2/trunk@15825 a8012f80-5f13-0410-8dc0-eb77bd940c0d
Fix indexElements to throw an error when an element isn't in the Poset.

git-svn-id: svn://svn.macaulay2.com/Macaulay2/trunk@15826 a8012f80-5f13-0410-8dc0-eb77bd940c0d
Made a new engine command rawFactorOverTower.  Still buggy.

Also added a test file for it: test/rawFactorOverTower.m2.
Added support for memtailor and mathic libraries

The tar file snapshots need to be copied to the website
Merge git and svn histories

git-svn-id: svn://svn.macaulay2.com/Macaulay2/trunk@15827 a8012f80-5f13-0410-8dc0-eb77bd940c0d
Merge branch 'master' of https://github.com/Macaulay2/M2
added bug report from fmoore in google group
keep some debugging display routines around
merging into master
Merge branch 'master' of github.com:Macaulay2/M2
add bug report
add bug report
add a suggestion