Misc. fixes on bitshares-ags page.

- Absorbed sentence fragment into introductory sentence.
- Fixed run-on sentence.
- Made link to blockchain.info page more resilient to sitemap reorgs*

\* Indicates "meta" fix that does not affect how the content is displayed.
Merge branch 'master' of https://github.com/InvictusInnovations/invictus.io
Merge pull request #8 from todofixthis/master

Misc fixes on bitshares-ags page.