Merge pull request #24 from antonleykin/master

Changed several examples in NAG/doc.m2
fix a misprint in a frobby file that caused a compilation problem for one user

It's a mysteray, because it compiles for us everywhere.
configure: fix package name "Macaulay2" and add package URL http://macaulay2.com/
quote exported symbols inpackage CharacteristicClasses
Merge pull request #29 from antonleykin/Bertini

Bertini branch created; documentation now resides in a separate folder
RandomSearch was exporting a symbol we already have in the system
add a comma to a date
fix Tor for non-modules
Add MultiplierIdeals package, remove obsolete MonomialMultiplierIdeals.
Add 'MultiplierIdeals' to configure.ac, remove obsolete 'MonomialMultiplierIdeals'

(I thought I did this before, but I made a git mistake, forgot to add...)
fix "mingens" and "syz" so they don't generate redundant and possibly
very long sequences integers, which can cause an error
Merge branch 'multiplierideals' of github.com:zteitler/M2
global(Assign/Release)Function
trying to figure out globalAssignment
Merge branch 'master' of github.com:Macaulay2/M2
added ProjectiveVariety, ProjectiveWitnessSet types; weird problem with projectivewitnessset doc node
Merge branch 'NAG' of github.com:antonleykin/M2
clustering functions moved from NAG to NAGtypes and have been refined
Merge branch 'master' of github.com:antonleykin/M2 into NAG
net NumericalVariety works; problem with one doc node example