remove PIL, add Pillow in ec2 init script
spatial smoothing functions added

both Gaussian and Median filtering options added to eliminate background noise from erratically behaving voxels
Missing info
Cast result as array
Cast first record asarray when computing dtype
Add 'indexed' when checking point args
Merge pull request #56 from broxtronix/master

New features for thunder-ec2
#57 Fix bug indexing into singleton series

Added an extra test case
spiatal smoothing functions now returns volume stack

return on data corrected to yield whole volume.
Docstring edited for automatically generated documentation
corrected unexpected indent!
Removed print
Merge pull request #53 from tomsains/master

spatial smoothing functions added
Expose coalesce as a Data method
Remove extension
Fix package name capitalization
Fix dependency path
Missing imports
Fixed for PEP
Cleaned up documentation
Merge pull request #52 from industrial-sloth/ec2_pillow

remove PIL, add Pillow in ec2 init script