Revamp Intro to Liferay Development Tutorials. Make the following updates:
Avoid any repitition of the same kinds of steps. Always reference an earlier set of steps, if possible. Aim for brevity to make the tutorials more accessible, especially when being viewed by mobile devices.
Need to understand only two things: modules and components.
Components and services are synonymous. We should call them components.
Default build environment is blade / gradle, not plugins sdk.