* Michael Abshoff: General build, debugging, etc., contributions. * Martin Albrecht: Much new code for working with matrices over certain polynomial rings * Michael A and Martin A: fixed serious memory leaks in integer linear algebra * Tom Boothby: Greatly improved pow and generic_power * Tom Boothby: Preliminary notebook support for internet explorer * Robert Bradshaw: Added first version of new java/notebook based 3d plotting capabilities. * Robert Bradshaw: Improvements to coercion code * Robert Bradshaw and David Joyner: New Rubik's cube solver code interface code. * Paul Dehaye: Interface improvements * Mike Hansen: Lie interface * David Joyner, Tom Boothby, Robert Miller: Update to guava in the GAP spkg. * Joel Mohler (with Craig Citro and David Harvey): Move c_lib back into the main SAGE repo (no more sage_c_lib); NTL wrapper improvements * William Stein: New Modular forms code. * William Stein: upgraded maxima to version 5.13.0 * William Stein: Fix some quaternion algebra bugs; Fix bug with current directory in notebook.