Add livereload to docs

docs/Guardfile

@@ -0,0 +1,9 @@
+#!/usr/bin/env python
+from livereload.task import Task
+from livereload.compiler import shell
+
+Task.add('*.rst', shell('make html'))
+Task.add('*/*.rst', shell('make html'))
+Task.add('_static/*.css', shell('make clean html'))
+Task.add('Makefile', shell('make html'))
+Task.add('conf.py', shell('make html'))

docs/Makefile

@@ -151,3 +151,6 @@ doctest:
 	$(SPHINXBUILD) -b doctest $(ALLSPHINXOPTS) $(BUILDDIR)/doctest
 	@echo "Testing of doctests in the sources finished, look at the " \
 	      "results in $(BUILDDIR)/doctest/output.txt."
+
+livehtml: html
+	livereload $(BUILDDIR)/html -p 33233

docs/requirements.txt

@@ -10,3 +10,7 @@ Sphinx==1.1.3
 docopt==0.6.1
 docutils==0.11
 wsgiref==0.1.2
+
+# livereload not strictly necessary but really useful (make livehtml)
+tornado==3.1.1
+livereload==1.0.1