Adds popup mode to 'my-thing-picker'
Fixes linting issues
Fixes modal to be a form and adds validations to form template
Adds linting changes
Fixes review comments for scope in thing-picker in modal
Fixes typo in template
Removes if condition for freetext mode in thingpicker directive
Merge pull request #652 from caskdata/feature/servicepicker-changes

Adds popup mode to 'my-thing-picker'