Implement word counter for articles in 1) static pages and 2) in the edit page for /blog

[boves]

• STEPPING STONE: start with a word counter that updates when an article is written and when an article is updated.
• PRIMARY GOAL: implement a word counter for writing blogs that continously updates while typing.

[boves]

• STEPPING STONE: start with a word counter that updates when an article is written and when an article is updated.

Some ideas of how to implement a word counter in rails: https://stackoverflow.com/questions/2107621/word-count-in-rails