[RFR] Feature: Build Automation

[verpixelt]

• [x] Create Scss compile task (@lewiscowper)
  • [x] Write documentation (@lewiscowper)
• [x] Create local server task (@lewiscowper)
  • [x] Write documentation (@lewiscowper)
• [x] Create linting task (@busyxin)
  • [x] Write documentation (@lewiscowper)
• [x] Create visual regression testing task (Moved to #39)
  • [x] Write documentation (Moved to #39)
• [x] Create documentation task (@lewiscowper)
  • [x] Write documentation (@lewiscowper)
• [x] Extend local server task with live reload and watch tasks (@lewiscowper)
  • [x] Write documentation (@lewiscowper)
• [x] Create production CSS tasks (minify, prefix) (@busyxin)
  • [x] Write documentation (@lewiscowper)

Also we have a slight readability issue when using parallelshell, and it's another step for people to understand. The npm-run-all package will greatly improve how easy it is to comprehend what our scripts are doing.

• [x] Remove parallelshell, refactor all scripts with npm-run-all

[lewiscowper]

We'll merge this as is, and open a new PR for the visual regression tests. See #38 for more discussion on this. It's a way more complex topic than previously estimated.