Merge pull request #1 from a85/master

Merge
Added JsonLint validation to RAW data editor (in json mode).
JsonLint formatting and validation to RAW data editor.
Create README.md
removed old README file
Merge pull request #193 from ChrisMissal/master

Added .md file extension to README
Merge pull request #188 from GrzegorzKaczan/master

Added JsonLint validation to RAW data editor (in json mode).
Changes for dev
Reverted on the fly JSONLint checking