Removed redundant > from coords_io.py

Right align is the default for format, > removed.
Merge pull request #4 from chriswhittleston/coords_io-fix

Removed redundant > from coords_io.py
improve benchmarking for cell lists
Merge branch 'master' of github.com:pele-python/pele
fix cpp test compile bug introduced in last commit
Changed name of member function in atoms and molecules from change_id to
assign_id.
Merge pull request #109 from khs26/master

Pulling from pele-python:master on 09/12/14
Revert "Pulling from pele-python:master on 09/12/14"
Merge pull request #110 from pele-python/revert-109-master

Revert "Pulling from pele-python:master on 09/12/14"
Merge pull request #5 from pele-python/master

Pulling from pele-python:master on 09/12/14
Revert "Pulling from pele-python:master on 09/12/14"
Merge pull request #7 from khs26/revert-5-master

Revert "Pulling from pele-python:master on 09/12/14"
Merge pull request #6 from cjforman/master

Pull request from cjforman/pele:master on 09/12/14
Corrected typo.
Changed MolecularSystem.molecules to be a list. Still need to fix up methods dependent on mol_id and molecule_types dictionary.
Merge branch 'master' of https://github.com/khs26/pele into khs26-master

Resolving conflicts due to Kyle's pushing and pulling
Merge branch 'khs26-master'