Porting version 0.5.0.
Porting version 0.5.2.
Porting version 0.5.3.
Porting version 0.6.0.
Update and move translation files to the new `/languages` folder.
Move the actual Breadcrumb Trail script into a separate file called breadcrumbs.php into the the `/inc` folder.  This is to make sure that there are no fatal errors between the plugin and theme version of the script.
Add screenshot files.
Updated screenshots.  Changed the names and added in a Google search results screenshot.
Add readme.md file and update readme.txt.
Remove old readme.css and readme.html files.
Update plugin URI and description.
Finalizing the readme.md and readme.txt updates.
Merge tag '0.6.0'

Tagging version 0.6.0.