Update sagenb to version 0.10.7.3
Update sagenb version to 0.10.8
Remove simplify_radical from documentation of simplify_full
Document cancel_alarm() in alarm()
Merge branch 'develop' into ticket/15569
Update sagenb to 0.10.8.1
Update to version 0.10.8.2
Update README.txt re installation with OS X Mavericks
Trac #15778: Fix broken mathjax in sagenb

Fix the broken mathjax: ​https://github.com/sagemath/sagenb/issues/195

Upstream tarball [https://googledrive.com/host/0B2kYdLdBVFHIZEd4ekpjNUFB
NTQ/sagenb-0.10.8.2.tar sagenb-0.10.8.2.tar]

URL: http://trac.sagemath.org/15778
Reported by: vbraun
Ticket author(s): Punarbasu Purkayastha
Reviewer(s): Jeroen Demeyer
Trac #15783: Update README.txt for OS X Mavericks

Followup to #15319.

URL: http://trac.sagemath.org/15783
Reported by: jhpalmieri
Ticket author(s): John Palmieri
Reviewer(s): Michael Welsh
Trac #15743: Document cancel_alarm() in alarm()

URL: http://trac.sagemath.org/15743
Reported by: jdemeyer
Ticket author(s): Jeroen Demeyer
Reviewer(s): Marc Mezzarobba
Trac #15693: Remove simplify_radical() from the doc of simplify_full() and full_simplify()

As reported in [http://ask.sagemath.org/question/3427/simplify_full-is-
the-mistake-in-the-documentation this ask question],
`simplify_radical()` was removed from `simplify_full()` and
`full_simplify()` in #12737, but not in their documentation.

URL: http://trac.sagemath.org/15693
Reported by: tmonteil
Ticket author(s): Punarbasu Purkayastha
Reviewer(s): Karl-Dieter Crisman
Updated Sage version to 6.1.1
Merge Sage 6.1.1 into SageManifolds