Create task json-tree.js
* add task (tojson, jsontree)
* modify json files
JsonLint -- Update to create valid json file
* added json lint checker vie gulp-json-lint
* moved jsonTree task to separate rule
*
Gulp task naming format
* Changed main task name to match file name
* (file - jsonlint.js : gulp task - jsonlint)
Modified jsonlint.js

Signed-off-by: shawnsandy <shawnsandy04@gmail.com>