Maint/misc maint (#518)

* Fix Mac CIFS image

* Minor edits to DGs and packaging doc

site/source/developer-docs/packaging.rst

@@ -180,7 +180,9 @@ Dependencies - Required
     
     .. code-block::
 
-        git clone -b latest --recursive https://github.com/Start9Labs/start-os.git && cd start-os/backend && ./install-sdk.sh
+        git clone https://github.com/Start9Labs/start-os.git && \
+         cd start-os && make frontends && mkdir -p ./frontend/dist/static && \
+         cd ./backend && ./install-sdk.sh
 
     Initialize sdk & verify install
 

site/source/guides/device-guides/dg-mac/backup-mac.rst

@@ -122,9 +122,9 @@ Connect Your Server
 
 #. You will now see the following:
 
-    .. figure:: /_static/images/cifs/cifs-blank.png
+    .. figure:: /_static/images/config/backup1.png
         :width: 50%
-        :alt: cifs-blank
+        :alt: cifs
 
     Enter the credentials as follows: