Links with titles not handled properly #876

Before submitting an issue, please be sure to

• Read the contributing instructions
• Update to the latest Gem version (run bundle update github-pages)

This issue affects

• The site generated by GitHub Pages
• Building sites locally

What did you do

1. Setup jekyll and pages-gem
2. Write a markdown link with title to another local markdown file
   • e.g. write [support guideline](docs/SUPPORT.md "Read it first!") into README.md
3. Generate htmls

What did you expect to happen?

• The link goes from .md to .html in the generated html

What happened instead?

• The link still points .md file

Additional information

• It's caused by jekyll-relative-links v0.6.1 plugin, and fixed by v0.7.0