Modify modern template according the changes of classic template. Details:
Modify modern template according the changes of classic template. Details:

The changes came from previous commits from PR #31 .
And the last commit efff8bcf276b17a431e01b900eaa9755c15d6efa .

- `caseIgnored` becomes `yes`.
- Add support of HEX value highlighting in "Numbers". Optional. Default is `false`.
- Add Markdown table syntax and some extra escape characters in "Operators".
- Add `((EOL))` in "Delimiters".
- Add support of code block `~~~` in "Delimiters".

For HEX value highlighting, users need to change the value of "extraHighlight" being `true` in json file.
And then build a XML file using the build script.

Edditoria/markdown_npp