ignore RubyMine/Idea directory
add RVM version and gemset files
Fix missing colon (see https://github.com/thedereck/gh-pages-blog/pull/28)
Downgrade ruby to 1.9.3 to be sure jekyll works
git ignore _site directory (where generated site goes)
initial Jekyll config, and an unpublished post
Merge branch 'master' into gh-pages

Conflicts:
	_config.yml