added missives, minor tweaks to layouts

_data/tags.yml

_layouts/post.html

_posts/00-base-00

_posts/2014-06-18-dev-diary-for-the-week-of-2014-06-16.md

_posts/2014-07-06-dev-diary-for-the-week-of-2014-06-30.md

...s/2014-07-06-monero-missive-for-the-week-of-2014-06-30.md

_posts/2014-12-15-dev-diary-for-the-week-of-2014-12-15.md

...014-12-15-external-projects-for-the-week-of-2014-12-15.md

...s/2014-12-15-monero-missive-for-the-week-of-2014-12-15.md

_posts/2015-01-05-monero-missive-2014-year-in-review.md

_strings_en.yml

blog/index.html

knowledge-base/people.md