Adds the filename to JSXTransform error message, making it easier to debug JSX syntax errors.
Adding current page's url for inline code and code improvement
Updating error message to also show part of the code, making it easier to find the error
Merge pull request #731 from fabiomcosta/jsxtransform-filename

Adds filename to JSXTransform error messages
Shortened generated "data-reactid"
Merge pull request #934 from syranide/minid

Shortened generated "data-reactid"