fix gist embeds to only include the gist id, not the username

Author: 0xdevalias

_posts/2013-06-17-gists-on-tumblr.md

@@ -18,4 +18,4 @@ So I figured it might be useful to be able to post gists here. Turns out it's ac
 
 https://gist.github.com/soemarko/1395926
 
-{% gist soemarko/1395926 %}
+{% gist 1395926 %}

_posts/2013-07-13-nmap-sh-saving-precious-seconds.md

@@ -24,4 +24,4 @@ With that in mind, here's a little bash script I threw together today to reduce
 
 https://gist.github.com/0xdevalias/5963377
 
-{% gist 0xdevalias/5963377 %}
+{% gist 5963377 %}

_posts/2013-08-03-rails-lessons-learned-the-hard-way-1-db-migrate.md

@@ -22,4 +22,4 @@ Generate your model first, make all manual edits, and then only AFTER you have m
 
 https://gist.github.com/0xdevalias/5790864
 
-{% gist 0xdevalias/5790864 %}
+{% gist 5790864 %}

_posts/2013-08-10-erpscan-automator-because-manual-is-meh.md

@@ -24,4 +24,4 @@ At time of writing, configuration is all done inside the script, with no support
 
 https://gist.github.com/0xdevalias/6118709
 
-{% gist 0xdevalias/6118709 %}
+{% gist 6118709 %}

_posts/2013-08-29-reversing-powershell-securestring-for-fun-and-profit.md

@@ -26,4 +26,4 @@ Just goes to show that no matter how secure a technology you create, in the end
 
 https://gist.github.com/0xdevalias/6101928
 
-{% gist 0xdevalias/6101928 %}
+{% gist 6101928 %}

_posts/2013-11-21-vfeed-wrapper-helper-scripts-for-speed-and-efficiency.md

@@ -38,4 +38,4 @@ Enjoy!
 
 https://gist.github.com/0xdevalias/7554985
 
-{% gist 0xdevalias/7554985 %}
+{% gist 7554985 %}

_posts/2014-04-02-hacking-unicoins-for-fun-and-profit.md

@@ -29,4 +29,4 @@ Enjoy your unicoins! <3 /dev/alias
 
 https://gist.github.com/0xdevalias/9905949
 
-{% gist 0xdevalias/9905949 %}
+{% gist 9905949 %}

_posts/2014-05-15-java-scala-future-promise-map-headsplode.md

@@ -25,4 +25,4 @@ A side by side comparison (now that I finally got it figured out!) of [Play Fram
 
 https://gist.github.com/0xdevalias/1d3b44312d8a68ddbaa5
 
-{% gist 0xdevalias/1d3b44312d8a68ddbaa5 %}
+{% gist 1d3b44312d8a68ddbaa5 %}

_posts/2015-04-20-dogedraw-now-with-more-nyaan.md

@@ -27,4 +27,4 @@ A little while (and far too long typing out pixel art as code) later, and we hav
 
 https://gist.github.com/0xdevalias/e8bb28726a37854606ad
 
-{% gist 0xdevalias/e8bb28726a37854606ad %}
+{% gist e8bb28726a37854606ad %}