Update sphinx-bootstrap-theme
ADd sphinxjp.themes.basicstrap
Add sphinxjp.themecore
Use setuptools with sphinxjp.themes.basicstrap
Update livereload to 2.0
Revert "Update livereload to 2.0"

This reverts commit c84bd2100201598972b7be4774c32fc71742d3bb.

The newer version no longer has the command. Rather, just manually fix it on
Python 3.