Fix for task #839  Implement ability to Add/remove listeners in LoadBalancer
 add to aws LB modifyLoadBalancerAttributes (fixes #871)
change int to Integer (fixes #871)
change boolean to Boolean (fixes #871)
Merge branch 'develop' into issue-871
TheWeatherCompany/grid-api#934 added ability to add security group during LB creation.
add getLoadBalancerAttributes (fixes #871)
Options moved to AttributesOptions class
add 'createTagsSynchronously' method to AWSCloud
add realization new methods (fixes #920)
 realization of update tags for resources (fixes #951)
Merge branch 'develop' into issue-871
Merge branch 'develop' into issue-871
add realization of set/list notificationConfig() (fixes #944)
Merge branch 'develop' into issue-944
add implementation of set tags (#920)
Merge branch 'develop' into issue-920
add health check to LoadBalancer (#1003)
add comment (#920)
add parse block devices from aws response  (#1011)
change iops field type (#1011)