Unchecks the upstream dependencies checkbox by default
Merge pull request #346 from Houzz/uncheck_upstream

Unchecks the upstream dependencies checkbox by default
Uses less stack-intensive map in renderTasks
Merge pull request #348 from Houzz/stack_safe_map

Uses less stack-intensive map in renderTasks
Issue #338: Add “priority” property to task, to take into account in scheduler.get_work

- implement handling of priority property in Task and CentralPlannerScheduler
- add documentation about task priorities
- add tests for handling priorities in CentralPlannerScheduler
Merge pull request #338 from soxofaan/feature-task-priority

Add “priority” property to task, to take into account in scheduler.get_work
Allows multiple commands to share the same lock
Adds tests for multiple lock acquisitions
Fixes comment pluralization
Add support for email subject prefix
Fixed issue where the server was upgraded and the clients not
Support COPY from JSON format in redshift
Merge pull request #352 from fuziontech/master

Support COPY from JSON format on Redshift
record the time when the task picked up by worker
add task_search api to search for task by task_id
Merge pull request #354 from Houzz/task_search

Add task_search api to search for task by task_id
Merge pull request #353 from Houzz/time_running

Show the timestamp when tasks are picked up by workers
Merge pull request #351 from rantav/email-prefix

Add support for email subject prefix
#347. Fixed tmppath with schemas
Create lock pid directory with global write permissions.