update perl.html

update ios.md
-not sure of ios md

Update csharp.md
-not totally sure of md for c#
-typed: {% codeblock lang:csharp %}

update php.md
update java.md
update go.md
update python.md
update ruby.md

Update nodejs.md
-not sure about node md for codeblock
-used {% codeblock lang:nodejs %}
fix codeblock lang
Merge pull request #799 from mettledrum/item-115

Item 115