Fix errors on KRISS and KRAIG pages

[aa-dit-yuh]

Fix the following errors:

- ./_site/kraig/index.html
  *  1:16687: ERROR: Attribute class redefined (line 1)
  *  1:17402: ERROR: Unexpected end tag : img (line 1)
  *  internally linking to /blog/Adamas-University-Workshop/, which does not exist (line 1)
     <a class="theme-link" href="/blog/Adamas-University-Workshop/" title="View Presentation" target="_blank">View Presentation</a>
  *  internally linking to /blog/noida-workshop-2017/, which does not exist (line 1)
     <a class="theme-link" href="/blog/noida-workshop-2017/" title="View Presentation" target="_blank">View Presentation</a>
- ./_site/kriss/index.html
  *  1:18051: ERROR: Attribute class redefined (line 1)
  *  1:18766: ERROR: Unexpected end tag : img (line 1)
  *  External link http://ayushpandey.tk failed: response code 0 means something's wrong.
             It's possible libcurl couldn't connect to the server or perhaps the request timed out.
             Sometimes, making too many requests at once also breaks things.
             Either way, the return message (if any) from the server is: Couldn't resolve host name
  *  External link https://www.bauva.com failed: response code 0 means something's wrong.
             It's possible libcurl couldn't connect to the server or perhaps the request timed out.
             Sometimes, making too many requests at once also breaks things.
             Either way, the return message (if any) from the server is: SSL peer certificate or SSH remote key was not OK
  *  External link https://www.facebook.com/aditi.singh failed: 404 No error
  *  internally linking to /blog/Adamas-University-Workshop/, which does not exist (line 1)
     <a class="theme-link" href="/blog/Adamas-University-Workshop/" title="View Presentation" target="_blank">View Presentation</a>
  *  internally linking to /blog/noida-workshop-2017/, which does not exist (line 1)
     <a class="theme-link" href="/blog/noida-workshop-2017/" title="View Presentation" target="_blank">View Presentation</a>

[aa-dit-yuh]

@shivangag update?