Add note about current stable version of Octopress to README.

Fixes #1451.
Added configurations for my own blog
Moved to github API v3
Migrated from Wordpress
Added *~ to .gitignore
Modified blog entry
Replaced line-tile.png with nicer one.
Modified about page
Modified readme to include licence for blog content
Fixed typo
Fixed syntax error in one of the imported blog posts
Modified blog post
Removed editor backup files
Changed back to default theme, updated code from github
Merge branch 'master' of git://github.com/imathis/octopress into own_blog
Updated source and style
Added new post about git subtree merge
Added final directory tree to last post
Fixed directory tree formatting
Fixed mistake in blog post