Bugfix: Raise TypeError instead of infinite loop when DeferredVector is passed directly to Matrix
Merge branch 'master' of git://github.com/sympy/sympy
Merge branch 'master' of git://github.com/sympy/sympy
Added Test
Fix
Lie algebras: Type A
liealgebras_1: some updates
matadd uses default sort key
add test for matadd sortkey
Checkout 0.7.3 before testing in Travis

Be sure to revert this before merging with master.
Merge branch '0.7.3' of github.com:sympy/sympy into 0.7.3
Bump the version to 0.7.3.rc1
release/README: fix a typo
fabfile: fix the path to py3k-sympy
Copy the docs files properly
Remove and reclone sympy before release

See the README for more information how to use it.
Fix indentation problem
Allow to run "prepare" repeatedly
Add .gitignore for the release directory
Add a fab command to restart the network on the VM