Use doc8 to style check our docs and fix the voilations
Merge branch 'master' into doc8

Conflicts:
	docs/secret.rst
	docs/signing.rst
Refix
Merge pull request #81 from alex/doc8

Use doc8 to style check our docs and fix the voilations
Removed use of autodocs for nacl.encoding module.
Merge pull request #82 from Ayrx/fix-encoding-docs

Removed use of autodocs for nacl.encoding module.