added gravatar to package.json
reverse sort blog posts
Merge pull request #1 from nlf/add_gravatar

added gravatar to package.json
Merge pull request #2 from nlf/reverse_sort

reverse sort blog posts
remove gravy since it isnt used
switch logging to bucker, make use of useconfig more consistent
remove json files
allow loading metadata from first lines of markdown, fix example posts to demonstrate
fix implicit title with other metadata
Merge pull request #3 from nlf/master

cleanup plus some metadata stuff