message: [secure-storage] More useful Github commit message
  Include the path being changed in the commit message.
  Closes:
  Approved by: davidiw
diff: @@ -152,8 +152,12 @@ impl Client {
  /// Create or update a file.
  pub fn put(&self, path: &str, content: &str) -> Result<(), Error> {
  let json = match self.get_sha(path) {
  - Ok(hash) => json!({ "content": content, "message": "libra-secure", "sha": hash }),
  - Err(Error::NotFound(_)) => json!({ "content": content, "message": "libra-secure" }),
  + Ok(hash) => {
  + json!({ "content": content, "message": format!("[libra-management] {}", path), "sha": hash })
  + }
  + Err(Error::NotFound(_)) => {
  + json!({ "content": content, "message": format!("[libra-management] {}", path) })
  + }
  Err(e) => return Err(e),
  };
  