Added german language support and build for travis

Signed-off-by: Kevin Putnam <kevin.putnam@intel.com>

source/Makefile

@@ -53,6 +53,15 @@ help:
 clean:
 	rm -rf $(BUILDDIR)/*
 
+htmlall: 
+	$(SPHINXBUILD) -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html	
+	$(SPHINXBUILD) -b html -D language='de' $(ALLSPHINXOPTS) $(BUILDDIR)/html/de
+
+htmlde:
+	$(SPHINXBUILD) -b html -D language='de' $(ALLSPHINXOPTS) $(BUILDDIR)/html/de 
+	@echo
+	@echo "Build finished. The HTML pages are in $(BUILDDIR)/html/de."
+
 html:
 	$(SPHINXBUILD) -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html
 	@echo

source/conf.py

@@ -140,8 +140,8 @@ html_context = {
     "conf_py_path": "/source/", # Path in the checkout to the docs root
     "current_version": current_version,
     "languages": ( ("English", ""),
-                   ("Mandarin", "/md"),
-                   ("Spanish", "/esp")
+                   ("Mandarin", "/zh_CN"),
+                   ("German", "/de")
                  ),
     "versions": ( ("latest", ""),
                   ("LTS 1", "/lts/v1"),