Comment file generation for MovableType
Comment file generation for MovableType

- comments option added (currently default false)
- metadata for entry added: blog_id, post_id, mt_id, basename
  note: post_id is same as mt_id. for the comment plugin
- comments formats are same as posts: with YAML front matter
- comment related metadata/content output methods and path generators
- also fixes default option processing order

Teino1978-Corp/jekyll-import,geerlingguy/jekyll-import,ligthyear/jekyll-import,cityoffortworth/jekyll-import,danbernier/jekyll-import,gynter/jekyll-import,supriyantomaftuh/jekyll-import,geerlingguy/jekyll-import,gynter/jekyll-import,Teino1978-Corp/jekyll-import,ligthyear/jekyll-import,stefanw/jekyll-import,stefanw/jekyll-import,stefanw/jekyll-import,danbernier/jekyll-import,shybovycha/jekyll-import,shybovycha/jekyll-import,geerlingguy/jekyll-import,gynter/jekyll-import,danbernier/jekyll-import,jekyll/jekyll-import,Teino1978-Corp/jekyll-import,supriyantomaftuh/jekyll-import,jekyll/jekyll-import,shybovycha/jekyll-import,supriyantomaftuh/jekyll-import,ligthyear/jekyll-import,cityoffortworth/jekyll-import