Remove MANIFEST file at startup time, since distutils fails to properly update it.  Also add proper shebang line.
Remove MANIFEST file at startup time, since distutils fails to properly update it.  Also add proper shebang line.

git-svn-id: 77a43f9646713b91fea7788fad5dfbf67e151ece@2805 94b884b6-d6fd-0310-90d3-974f1d3f35e1

teoliphant/numpy-refactor,efiring/numpy-work,teoliphant/numpy-refactor,Ademan/NumPy-GSoC,chadnetzer/numpy-gaurdro,jasonmccampbell/numpy-refactor-sprint,chadnetzer/numpy-gaurdro,illume/numpy3k,efiring/numpy-work,efiring/numpy-work,efiring/numpy-work,teoliphant/numpy-refactor,teoliphant/numpy-refactor,jasonmccampbell/numpy-refactor-sprint,illume/numpy3k,chadnetzer/numpy-gaurdro,illume/numpy3k,jasonmccampbell/numpy-refactor-sprint,Ademan/NumPy-GSoC,chadnetzer/numpy-gaurdro,Ademan/NumPy-GSoC,Ademan/NumPy-GSoC,illume/numpy3k,jasonmccampbell/numpy-refactor-sprint,teoliphant/numpy-refactor