3562: Replace Method for MutableMatrix
Code quality improved
Support for map argument added
Test added for map. Code Now compliant with PEP8
Merge pull request #2024 from thilinarmtb/3562_matrix_replace

3562: Replace Method for MutableMatrix
Add Thilina Rathnayake to the AUTHORS/aboutus. Welcome to SymPy!
Merge pull request #2063 from mrocklin/matrix-fix-1

Type assumptions on matrices - extra classes
Refine using LogPy
add non-trivial logpy test
refine_one assumptions form tail list
pow_of_abs logpy test
refine_deep with top_down
use seq_Basic rather than unify_Basic
not-finished
not-working - op_registry
logpy assoc/comm matching better.  not evaluating
op_registry tuple->dict. objvalid checks is_Atom
remove Dummy reify
remove unnecessary code
add logpy to setup.py