Added README.md files to theme directories
This displays screenshots from the root of the theme dirs
Merge pull request #16 from gehrhorn/master

Added README.md files to theme directories
Merge pull request #15 from Hyzual/jmasson

Refactors all themes to use UDL2.1. Adds a new Obsidian Theme
Added readme for screenshot in obsidian theme
Removed html file received in last pull request.
Moved default theme to separate directory
Moved default theme to separate directory
Merge branch 'master' of https://github.com/thomsmits/markdown_npp
Migrated debug theme to new UDL format
Enhanced cheatsheet and tests
Added fix proposed by ERnsTL: now the closing bracket ist correctly handled.