Fix indentation

[danielquinn]

The way most of the Python code blocks are written, it looked as though these were functions and not methods of the actual skill. In one case, the indentation was totally off, using only one space.

There's also a number of cases in this file where () were escaped as \(\) even though this isn't necessary in Markdown unless they're following a ] character. Still, I didn't want to remove them in case there was some other reason for this that I don't know about.

[krisgesling]

Yeah I can see how this is clearer that they are intentionally indented blocks.

The escaped parantheses might be left over from our previous documentation platform, or it might have just been me trying to play it safe... either way, I think we can remove them :)

Thanks again for all these, once we get a signed CLA I think they can all be merged.