Added missing link to browsers; Nit capitalization

Added bug reference links in README.md

Refactor README.md to be more clear with options

Added variable to remap ctrl-p

Fixed image rendering markdown path

Added GitHub markdown information to README

Added GitHub markdown to image preview mapping

Merge pull request #11 from oshybystyi/support-for-github-flavoured-md

Added support for github flavoured markdown

Added support for github flavoured markdown

Made temp file and toggle global variables; updated README

Merge pull request #10 from gmerzu/master

Supports global variable to set a browser

Supports global variable to set a browser

Updated README to show defaults

Fixed remove temp file bug

Moved common variables up; interoperable browsers;
Fixed unix background bug

Updated README to show image support; Added new screenshot

Updated plugin mapping comments

Supports image loading and local html rendering

Include Safari on OSX

Merge pull request #5 from zeebo404/master

Changed relative file to absolute file