[aur-general] Merge request python2-sqlalchemy-0.7.9

[Willem]

Please merge/move python2-sqlalchemy-0.7.9 
<https://aur.archlinux.org/packages/python2-sqlalchemy-0.7.9/> to 
(currently empty placeholder) python-sqlalchemy-0.7.9 
<https://aur.archlinux.org/packages/python-sqlalchemy-0.7.9/>.
python-sqlalchemy-0.7.9 
<https://aur.archlinux.org/packages/python-sqlalchemy-0.7.9/> will 
become a split package containing both python2-sqlalchemy-0.7.9 and 
python-sqlalchemy-0.7.9.