First pass at an intro post for our dev blog.
First pass at a title.
attempted reword of summary.
Update 2014-06-23-introduction.md
Merge pull request #6 from nsinai/patch-1

Update 2014-06-23-introduction.md
Update 2014-06-23-introduction.md

A pox on portals!

Some passive voice has been removed.

Reduced github-specific references because they didn't seem necessary.

Great work, all!
Merge pull request #7 from ErieMeyer/patch-1

Update 2014-06-23-introduction.md
Building on @ErieMeyer's work in #7. Reword intro, keep GitHub mentions.
A bunch of wording changes as suggested by @NoahKunin.
per @NoahKunin, emphasizing slightly more strongly that the
user-facing tool would interop with existing systems.
Feed @rjmajma's tweaked language back into this section.
Merge pull request #5 from 18F/intro

Introduction post for product blog