Changed SDK name per legal

Global change: Splunk SDK for Python
Edits to index.rst

Edited rambling text, too many SDK refs.
Merge pull request #62 from splunk/feature/renaming

Updated SDK name per legal
Removed reference to error, per David Foster's comments.
Merge branch 'develop' of github.com:splunk/splunk-sdk-python into develop
Edited readme.

Put emphasis on downloading rather than cloning per PM.
Edited readme

Added a download link
Fix roles path.
Merge branch 'master' into develop
Fixed infinite recursion in UrlEncoded.__repr__
Merge branch 'master' into develop
Added modular input parsing classes, unit tests & unit test data

Classes: validation_definition & input_definition
Tests: test_validation_definition & test_input_definition
General code cleanup & use of pythonic code style
Added segmentation=none to all results methods. Added namespace to export list in client.py.
More cleanup, moved common code/imports to splunklib/modularinput/modularinput_testlib.py

Also removed the malformed data exception since it's not needed.
Add a space after # for comment
Resolved review comments.
Merge pull request #68 from splunk/fross/misc

Fixed two bugs.
Added Event & EventWriter classes, their unit test & test data

Also updated modularinput_testlib with an XML comparing function
Event, EventWriter, and tests are done; need to elaborate docstrings.

Also added newer test data, and minor tweaks throughout.