YARN-2730. DefaultContainerExecutor runs only one localizer at a time. Contributed by Siqi Li
(cherry picked from commit 6157ace5475fff8d2513fd3cd99134b532b0b406)
YARN-2798. Fixed YarnClient to populate the renewer correctly for Timeline delegation tokens. Contributed by Zhijie Shen.

(cherry picked from commit 71fbb474f531f60c5d908cf724f18f90dfd5fa9f)
YARN-2788. Fixed backwards compatiblity issues with log-aggregation feature that were caused when adding log-upload-time via YARN-2703. Contributed by Xuan Gong.

(cherry picked from commit 58e9f24e0f06efede21085b7ffe36af042fa7b38)