Merge pull request #218 from BlogEngine/dependabot/nuget/BlogEngine/BlogEngine.NET/bootstrap-3.4.1

Bump bootstrap from 3.3.5 to 3.4.1 in /BlogEngine/BlogEngine.NET

Author: farzindev

BlogEngine/BlogEngine.NET/packages.config

@@ -2,7 +2,7 @@
 <packages>
   <package id="angularjs" version="1.3.0" targetFramework="net45" />
   <package id="Antlr" version="3.5.0.2" targetFramework="net45" />
-  <package id="bootstrap" version="3.3.5" targetFramework="net45" />
+  <package id="bootstrap" version="3.4.1" targetFramework="net45" />
   <package id="DynamicQuery" version="1.0" targetFramework="net45" />
   <package id="FontAwesome" version="4.4.0" targetFramework="net45" />
   <package id="jQuery" version="2.1.4" targetFramework="net45" />