Updated GSoC_2019 (markdown)

GSoC_2019.md

@@ -631,6 +631,7 @@ For computer vision professionals interested in mentoring
    * You will also need to get on:
        * [The Mentor Only Mailing List](https://groups.google.com/forum/#!forum/opencv_mentors_2019)
        * [The Student+Mentor Mailing List](https://groups.google.com/forum/#!forum/opencv-gsoc-2019)
+       * [The Proposals Spreadsheet](https://docs.google.com/spreadsheets/d/1CgIu7yNYMyuX5eEtjHIg_2AGgaTlIaaAOr14ulADKM0)
 4.  You then:
     - Look through the [ideas above](https://github.com/opencv/opencv/wiki/GSoC_2019#opencv-project-ideas-list), choose one you'd like to mentor or create your own and post it for discussion on the mentor list.
     - Go to the opencv-gsoc googlegroups mailing list above and look through student project proposals and discussions. Discuss the ideas you've chosen. 
@@ -685,26 +686,29 @@ Student | Title | Mentor(s)
 
 #### Mentors
 ```
-Michael Tetelman	
+Ankit Sachan		
+Clément Pinard	
+Davis King	
+Dmitry Kurtaev		
+Dmitry Matveev	
 Edgar Riba	
-Vincent Rabaud
-Steven Puttemans
-Gholamreza Amayeh
+Gholamreza Amayeh	
+Grace Vesom		
+Jiri Hörner	
+João Cartucho	
 Justin Shenk
-Stefano Fabri
-Satya Mallick
-Davis King
-Sunita Naya
-Dmitry Matveev
-Grace Vesom
-Vladimir Tyan
-Jiri Hörne
-Vitaly Tuzov
-Ankit Sachan
-Yida Wang
-Dmitry Kurtaev
-Vikas Gupta
+Michael Tetelman
+Ningxin Hu
 Rostislav Vasilikhin
+Satya Mallick
+Stefano Fabri
+Steven Puttemans	
+Sunita Nayak
+Vikas Gupta
+Vincent Rabaud	
+Vitaly Tuzov
+Vladimir Tyan
+Yida Wang
 ```
 
 ## Admins