added epub entry for makefile

Makefile

@@ -297,8 +297,10 @@ deb-src-upload: deb-src
 	    $(DPUT_BIN) $(DPUT_OPTS) $(DEB_PPA) deb-build/$${DIST}/$(NAME)_$(VERSION)-$(DEB_RELEASE)~$${DIST}_source.changes ; \
 	done
 
-# for arch or gentoo, read instructions in the appropriate 'packaging' subdirectory directory
+epub:
+	(cd docs/docsite/; CPUS=$(CPUS) make epub)
 
+# for arch or gentoo, read instructions in the appropriate 'packaging' subdirectory directory
 webdocs:
 	(cd docs/docsite/; CPUS=$(CPUS) make docs)
 

docs/docsite/Makefile

@@ -48,3 +48,6 @@ modules: $(FORMATTER) ../templates/plugin.rst.j2
 
 staticmin:
 	cat _themes/srtd/static/css/theme.css | sed -e 's/^[ 	]*//g; s/[ 	]*$$//g; s/\([:{;,]\) /\1/g; s/ {/{/g; s/\/\*.*\*\///g; /^$$/d' | sed -e :a -e '$$!N; s/\n\(.\)/\1/; ta' > _themes/srtd/static/css/theme.min.css
+
+epub:
+	 (CPUS=$(CPUS) make -f Makefile.sphinx epub)