Update Readme.md to reflect compatability with ST3
Switched to YAML, fixed highlighting parameterless clauses, closes #8

Considering my little hiatus, it was no surprise that AAAPackageDev
changed something. They switched to YAML, we do too.

Furthermore, I hereby simplified the detection of clauses and DCGs,
accidentally fixing issue #8.
Remove JSON, incorporate parameter highlighting in facts, fix #6
Fix #11 Add real numbers
distinguish between function parameter brackets & function names
Merge pull request #13 from simonzack/master

Distinguish between function parameter brackets & function names
Merge remote-tracking branch 'upstream/master'
Support of .ecl filename extension in YAML.