Create shell scripts for invoking the compiler

[invicticide]

Right now it's kind of cumbersome to run the compiler:

node lib/Compiler.js path/to/story/

It'd be nicer to be able to just do something like:

build path/to/story/

This would require creating platform-specific scripts (bat/command/sh) that wrap up the compile command.

[invicticide]

CL fa68075 adds publish.bat and publish.sh which right now are just simple wrappers around the compiler command. They could be expanded in the future.

The Windows version is currently untested.

[invicticide]

Tested on Windows, works fine