removing bower_components and fixing typo

VisualStudio.gitignore

@@ -22,7 +22,7 @@ bld/
 [Bb]in/
 [Oo]bj/
 
-# Visual Studo 2015 cache/options directory
+# Visual Studio 2015 cache/options directory
 .vs/
 
 # MSTest test Results
@@ -170,7 +170,6 @@ ClientBin/
 *.pfx
 *.publishsettings
 node_modules/
-bower_components/
 orleans.codegen.cs
 
 # RIA/Silverlight projects