Add SSH download to store api and add path to SSH upload as well

circle/dashboard/store_api.py

@@ -127,8 +127,12 @@ class Store(object):
         r = self._request_cmd("UPLOAD", PATH=path)
         return r.json()['LINK']
 
-    def request_ssh_upload(self):
-        r = self._request_cmd("SSH_UPLOAD")
+    def request_ssh_download(self, path):
+        r = self._request_cmd("SSH_DOWNLOAD", PATH=path)
+        return r.json()['LINK'], r.json()['PORT']
+
+    def request_ssh_upload(self, path):
+        r = self._request_cmd("SSH_UPLOAD", PATH=path)
         return r.json()['LINK'], r.json()['PORT']
 
     def ssh_upload_finished(self, file_name, new_name):