Typos corrected and Copyright message added for .py files
A few typos have been corrected and all .py files now have the copyright
header. Follow up commits will have copyright header on .cc, .hh and .sh
file as well.
Minor change in copyright header, shebang removed from a few files 

Changed copyright header from "This script is" to "This file is".
Removed the '#!/use/bin/env python' line from /python, /tests and
subdirectories.
Added copyright headers to files

Added Copyright Headers to all .c, .cc, .cpp, .hh, .h, .r, .m and .sh
files, excluding files in /lib/
Copyright messages added to .cc and .hh files

Copyright header has been added to .cc and .hh files immediately under
/lib (/lib/zlib and /lib/bzip2 not changed)
Merge branch 'bleeding-edge' of https://github.com/ged-lab/khmer into
cosmetic-merge

Conflicts:
	sandbox/split-pe.py
	sandbox/strip-and-split-for-assembly.py
	scripts/interleave-reads.py
Committing rename from README.txt to README.md
Merge branch 'bleeding-edge' of https://github.com/ged-lab/khmer into cosmetic-merge

Conflicts:
	scripts/interleave-reads.py
Merge pull request #2 from ctb/ram.cosmetic-merge

Merge latest bleeding-edge into @RamRS cosmetic-changes
Undoing copyright header in distribute_setup.py

This commit reverts changes make to distribute_setup.py. Testing using
`make test` was done, all tests passed.
Merge pull request #143 from RamRS/cosmetic-changes

Cosmetic changes