wip: git: ignore tmp dir
wip: rubygems: load social_snippet from GitHub
wip: rake: pass options to RSpec (--format doc --color)
wip: add social_snippet#commands#insert_snippet()
wip: add :SocialSnippetInsertSnippet command
wip: vimrunner: disable to reuse server
wip: vimrunner: load social_snippet.vim
wip: spec_helper: add vim_current_buffer()
wip: insert_snippet(): add tests