Remove tests from suggested build for Tigon.
Modify the build script to add a target to use pandoc to create rst files from the example README.md files.
Checked-in the converted files.
If pandoc is installed, the build script rebuilds from the latest READMEs; otherwise, the checked-in versions are used.
Modify the Sphinx config to exclude files in _includes directory.
Modified the examples.rst to include the README files rather than be a duplicate of their information.
Changed the CSS to have a bit more space around <pre> tags to allow for horizontal scrollbars on the bottom.