c56875df8f
Tidy up the docstrings to follow PEP-0257 [1], the Python
Docstring Convention.
The following warnings, reported by the pep257 checker [2], are
removed.
- All modules should have docstrings.
- Multiline docstring should end with 1 blank line.
- First line should be in imperative mood ('Do', not 'Does').
- First line should end with a period.
[1] http://www.python.org/dev/peps/pep-0257/
[2] https://github.com/GreenSteam/pep257
Change-Id: Icdda650d77c3b52c6b4dba62467b45ade8229b48