Turn off auto insert and TeX master query for export

* lisp/org-latex.el (org-export-as-latex): Turn off auto-insert and
set TeX-master to t when creating new TeX buffers.
* lisp/org-docbook.el (org-export-as-docbook):
* lisp/org-html.el (org-export-as-html): Turn off auto-insert
when creating new buffers.

lisp/org-docbook.el

@@ -474,9 +474,11 @@ publishing directory."
 	 (current-dir (if buffer-file-name
 			  (file-name-directory buffer-file-name)
 			default-directory))
+	 (auto-insert nil); Avoid any auto-insert stuff for the new file
 	 (buffer (if to-buffer
 		     (cond
-		      ((eq to-buffer 'string) (get-buffer-create "*Org DocBook Export*"))
+		      ((eq to-buffer 'string)
+		       (get-buffer-create "*Org DocBook Export*"))
 		      (t (get-buffer-create to-buffer)))
 		   (find-file-noselect filename)))
 	 ;; org-levels-open is a global variable

lisp/org-html.el

@@ -1147,6 +1147,7 @@ PUB-DIR is set, use this as the publishing directory."
 	 (current-dir (if buffer-file-name
 			  (file-name-directory buffer-file-name)
 			default-directory))
+	 (auto-insert nil); Avoid any auto-insert stuff for the new file
 	 (buffer (if to-buffer
 		     (cond
 		      ((eq to-buffer 'string) (get-buffer-create "*Org HTML Export*"))

lisp/org-latex.el

@@ -869,6 +869,8 @@ when PUB-DIR is set, use this as the publishing directory."
 			  (file-truename (or buffer-file-name "dummy.org")))
 		   (concat filename ".tex")
 		 filename)))
+	 (auto-insert nil); Avoid any auto-insert stuff for the new file
+	 (TeX-master t) ; Avoid the Query for TeX master from AUCTeX
 	 (buffer (if to-buffer
 		     (cond
 		      ((eq to-buffer 'string) (get-buffer-create