Add pandas 0.13.1 and stemming 1.0 for python use.
Update pandas-0.13.1-ictce-5.5.0-Python-2.7.6.eb

Remove trailing newlines.
Update stemming-1.0-ictce-5.5.0-Python-2.7.6.eb

Removing trailing spaces.
Merge pull request #891 from ehiggs/pandas-and-stemming

Pandas and stemming