Add dc (reverse-polish desk calculator)
Add bc
Added INTERCAL
Added BCPL
Added BennuGD

I have no idea what the extension is.
Added Casio BASIC

There is no extension.
Rename d.D to D.d
Added Dart
Added DIGITAL Command Language

Unknown extension.
Added HOP

Unknown extension.
Added Interactive Data Language

Unknown extension.
Added ISLISP
Added kotlin
Added logo.
Added mIRC Script
Added mIRC Script
Added Obix
Added Rust
PHP prints out what is outside <?php ?>, useful for html.

There is no need to add the <?php and ?> because anything outside them is simply printed out.
Add example for Julia

From http://forio.com/julia/tutorials/beginner/tutorial1.html