Avoid recursion to compile the handlebars from the passed object values
Add transition fields array to the transition object return from JIRA api
Remove resolution option
When transition an issue ask for the required fields listing the allowed values from JIRA api - Fix #21
Source formatting
On .gh.json transition payload use "true" in order to force ask the input from the allowed values
Remove unecessary transition payload "Open Issue", we don't need to assign the issue to the assignee since it may assign to the logged jira user when options.assignee not specified