CSV to JSON placeholder
Add support for CSV

Fixed #7
Remove notfound test
Merge branch 'csv'

Conflicts:
	tasks/convert.js
	test/fixtures/columns.csv
CSV docs
0.1.4
Docs: fixing `options.cvs.columns`
Add test for CSV
Fix other format extention

json, yml, and xml not properly check after
refactor `srcExt` and `destExt` to include `.`
Add support for JSON to CSV.

Ref: #7
Merge branch 'csv'

Conflicts:
	Gruntfile.js
	tasks/convert.js
0.1.5
Merge pull request #8 from hariadi/master

Add support for CSV