Cleanup and copy edits

Consistent use of library and product names
Correct hyphenations
Consistent use of definite article the/a etc
Corrected a few typos
Cleaned out random chunks of HTML
PS->Note
Avoid starting sentences with "But", "And", "So" etc conjunctions.
Couple of tiny pickups
Merge pull request #1 from andypiper/master

Corrections ahead of blog post