Updated full-screenshot links

Author: MCStreetguy

HOWTO.md

@@ -9,52 +9,52 @@
 Select the text that you want to store as a snippet.
 Open up the context menu and click on `Create snippet from selection`.
 
-[ ![](/screenshots/create_step_1-small.png) (full screenshot)](https://prntscr.com/fxabhj)
+[ ![](/screenshots/create_step_1-small.png) (full screenshot)](http://prntscr.com/fzcy80)
 
 Enter a useful title for the snippet and confirm.
 *(Bare in mind that you need to recognize your snippet by this title)*
 
-[ ![](/screenshots/create_step_2-small.png) (full screenshot)](https://prntscr.com/fxabn6)
+[ ![](/screenshots/create_step_2-small.png) (full screenshot)](http://prntscr.com/fzcyes)
 
 The snippet is now saved in you local Atom storage.
 *A notification tells you about errors and success.*
 
-[ ![](/screenshots/create_step_3-small.png) (full screenshot)](https://prntscr.com/fxabsv)
+[ ![](/screenshots/create_step_3-small.png) (full screenshot)](http://prntscr.com/fzcyjx)
 
 ### Insert
 (_[Reference](README.md#commands)_)
 
 Place the marker(s) at the position you want you snippet to be inserted.
 Open up the context menu and click on `Insert snippet`.
 
-[ ![](/screenshots/insert_step_1-small.png) (full screenshot)](https://prntscr.com/fxacde)
+[ ![](/screenshots/insert_step_1-small.png) (full screenshot)](http://prntscr.com/fzcyrt)
 
 Choose your snippet from the list by clicking it.
 *(If you got a lot of snippets there is a search input box at the top of the prompt window)*
 
-[ ![](/screenshots/insert_step_2-small.png) (full screenshot)](https://prntscr.com/fxacj8)
+[ ![](/screenshots/insert_step_2-small.png) (full screenshot)](http://prntscr.com/fzcz1q)
 
 The snippet's content gets inserted.
 *A notification tells you about errors and success.*
 
-[ ![](/screenshots/insert_step_3-small.png) (full screenshot)](https://prntscr.com/fxacrn)
+[ ![](/screenshots/insert_step_3-small.png) (full screenshot)](http://prntscr.com/fzcz68)
 
 ### Delete
 (_[Reference](README.md#commands)_)
 
 Open up the context menu and click on `Delete snippet`.
 
-[ ![](/screenshots/delete_step_1-small.png) (full screenshot)](https://prntscr.com/fxabyh)
+[ ![](/screenshots/delete_step_1-small.png) (full screenshot)](http://prntscr.com/fzczas)
 
 Enter the title of the snippet you want to delete and confirm.
 *(You will be prompted twice before actual deletion. Bare in mind that deleted snippets are gone forever!)*
 
-[ ![](/screenshots/delete_step_2-small.png) (full screenshot)](https://prntscr.com/fxac6s)
+[ ![](/screenshots/delete_step_2-small.png) (full screenshot)](http://prntscr.com/fzczf4)
 
 The snippet is now deleted from the local Atom storage.
 *A notification tells you about errors and success.*
 
-[ ![](/screenshots/delete_step_3-small.png) (full screenshot)](https://prntscr.com/fxac96)
+[ ![](/screenshots/delete_step_3-small.png) (full screenshot)](http://prntscr.com/fzczjq)
 
 
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