Change to new posterous API
YAML front matter fix, cleaned up slug generation, added tags and store some posterous information from the original post.
Merge pull request #1 from simensen/alagu-master

Fixed critical bug, added a few minor features
Merge remote-tracking branch 'origin/alagu-master' into alagu-posterous-importer-rebased

Conflict created due to #472.

Conflicts:
	lib/jekyll/migrators/posterous.rb
Handle Posterous rate limiting
No need to have a variable assignment, especially if it has the same name as the method parameter.
fix issue 457: Custom destination in _config.yml causes jekyll server to auto-regenerate continuously
Remove deletion of dot files on cleanup.

This is a potentially very dangerous action that's impossible to test that it's correct.
If the '..' check line ever disappears, even running the tests will start deleting
everything accessible on the person's computer.

All dot-files that are generated are already known by Jekyll as either a static file or
a page (yaml front matter), only remove those files.
Add checks to prevent accidental deletion of the source directory
Merge branch 'alagu-posterous-importer-rebased' of git://github.com/simensen/jekyll
Merge branch 'master' of git://github.com/mojombo/jekyll
Adds some random docs for stuff I saw while skimming the code.
Add pull request #569 to history
Merge branch 'deletion_protection' of https://github.com/jasonroelofs/jekyll into jasonroelofs-deletion_protection
Update history.
A better way to preview and release the Jekyll site.
Do not copy _site dir to gh-pages dir on release.
Add site namespace and rename site preview/publish rake tasks.
fix error for case with wrong encoding or error in YAML
fix error for case with broken encoding