Merge branch 'master' of github.com:nebula-orchestrator/docs

Author: Naor Livne

requirements.txt

@@ -8,7 +8,7 @@ livereload==2.6.1
 Markdown==3.1.1
 MarkupSafe==1.1.1
 mkdocs==1.0.4
-PyYAML==5.1.1
+PyYAML==5.1.2
 requests==2.22.0
 singledispatch==3.4.0.3
 six==1.12.0