Added restructured text file README.rst.
Removed old README.txt file.
Merge pull request #7 from agroener/master

Modified README file.
Modified README.rst.
Merge pull request #8 from agroener/master

Modified README.rst.
Added a lost README.rst file.
Merge pull request #9 from agroener/master

Added a lost README.rst file.
Modified README.rst a bit more.
Merge pull request #10 from agroener/master

Modified README.rst a bit more.
Making changes to README.rst once more.
Merge pull request #11 from agroener/master

Making changes to README.rst once more.
Making changes to README.rst once more..
Merge pull request #12 from agroener/master

Making changes to README.rst once more..
Minor change.
Merge pull request #13 from agroener/master

Minor change.