Deal gracefully with no connection in emacs

- set timeout to 5 secs
- do not load remote agenda files when no connection available

.config/emacs/init.el

@@ -978,7 +978,8 @@ So we need to define bindings in a hook."
   (setq tramp-terminal-type "tramp"
         tramp-default-method "ssh"
         tramp-encoding-shell "/bin/bash"
-        tramp-default-remote-shell "/bin/bash"))
+        tramp-default-remote-shell "/bin/bash"
+        tramp-connection-timeout 5))
 
 ;;;;;; Subword
 
@@ -1446,7 +1447,9 @@ So we need to define bindings in a hook."
                                  "\.org$"
                                  nil
                                  (lambda (filename) (not (s-contains-p "archive" filename)))))
-        org-agenda-files (cons "/ssh:android@home:Org/anniv.org" (cons "/ssh:android@home:Org/calendar.org" org-local-agenda-files))
+        org-agenda-files (if (ignore-errors (file-exists-p "/ssh:android@home:Org/anniv.org"))
+                             (cons "/ssh:android@home:Org/anniv.org" (cons "/ssh:android@home:Org/calendar.org" org-local-agenda-files))
+                           org-local-agenda-files)
         org-default-notes-file "~/Projects/org/notes.org"
         org-archive-location "::* Archived"
         org-attach-method 'mv                                                   ; Move Attachments