add JqlQuery Class, Issue Notify feature.

• JqlQuery class for convenience JQL Search.
  ( sends a notification for recipients.

create user function

added create user function

getEditMeta function for retrieve custom field options.

1.15.0

fixed #106 impl getEditMeta function for custom filed option.

support dotenv 1.x for laravel 5.1 users.

1.14.4

add support dotenv 1.x

add issue's watcher list function.

ref #101

remove invalid property.

ref #100

refactoring, phpDoc

Merge pull request #99 from lesstif/analysis-86AonN

Apply fixes from StyleCI

get project's version info.

1.14

get project version field.

creator field in the search results as nullable.

fixed #86

added validateQuery param in the search function

fixed #83