Codalab

Frontend
- Fix table item padding (1793)
- handle preceding and trailing white spaces in worksheets (1896)
- check for undefined x,y data for charts (1901)
- stringify bundle metadata object for RecordItem (1900)
- Keyboard shortcut improvements (1847)

Backend
- Replace new line with space for worksheet bundle lines (1899)
- 1883: Get rid of MySQL operational errors during worker checkins (1887
- Add cProfile as decorator utility function (1893)
- Improve sync_state logic in worker dependency_manager.py (1892)
- Merge multiple batch queries to a single batch query (1898)
- Set maximum docker image size before pulling from docker hub (1897)
- 1895: Resolve key error (1905)
- update datetime get time function (1890)
- Cache the information of running bundles to avoid duplicate computing bundle resources (1902)
- Add wsearch directive doc (1912)

Other improvements
- 1347: Add script to stress test CodaLab backend (1810)

Backend
1. Fix the problem in detaching the last item using cl detach command (1512)
2. Investigate bundle got stuck in uploading state (1875 ): the fix of this ticket also resolved 1853 and 1829
3. Threaded netcat write (1866)

Backend:
1. Worker refactor:
1. No more run manager 1865
2. Get rid of `local_run` concept 1863
3. Rename `to_dict` to `as_dict` as make it a property for worker state object 1861
4. Rename `WorkerRun` to `BundleCheckinState` 1860
5. Cleanup of worker main file 1864

2. Others fixes and improvements:
1. Don't fail jobs on workers when there are not enough resources 1842
2. Don't fail worker when insufficient memory happened in starting a docker container 1812
3. Use local image if pulling from dockerhub failed 1688
4. Poll worker status in monitor script periodically 1818
5. Fix parallel run quota condition check 1852
6. Remove unnecessary variable container_start_time 1844
7. Don't use subprocess for cli tests 1798
8. Combine format and functionality stages into one, so they run in parallel 1789

Frontend:
1. Inherit configs for `edit` and `run`
2. fix invalid object as React child
3. Show UUID on table 1873
4. Enable caplocks+enter/s when caplocks is mapped as ctrl on Ubuntu 1871
5. Remove detail logging message 1833
6. Invalid bundle reference in a table with schema 1834
7. Keyboard shortcut for rerun 1773

Fixes
- Remove the default value for `--ignore` in `cl upload`. This fixes any issue when running `cl upload` with the BSD tar library. (1813)

Fixes
- Add permission check to `/add-items` so that only users with write access can add / delete worksheet items (1784)
- Disable edit related buttons on the worksheet according to permission (1783)
- Display detail unavailable message for invalid/private bundles (1785)

New frontend

Some of the new features in the new frontend include:
- A visual way to edit individual worksheet items -- a much easier way than having to edit the entire worksheet source.
- Worksheet header is now sticky and has buttons "Text", "Upload", and "Run" that let you insert a new cell (1424, 1510, 1549)
- Support bundle bulk operation on web UI, which replaces the context menu for bundle rows (1705, 1579).
- New UI for bundle detail layout (1543)
- New keyboard shortcuts (1578, 1649, 1718)

Other features
- Allow unicode in worksheet titles (1511)
- Support host_worksheet for display table (1680)
- Add CODALAB environment variable (1626)
- Respect .gitignore when archiving (1625)

Fixes
- Fix mathjax causing crash in race case (1489)
- Add libssl-dev for mysqlclient (1738)
- Raise error when dependency is empty in CLI (1566)
- fix-time-quota-miscalculation (1687)
- Refactor bundle_manager.py to have less db calls (1631)
- Avoid db call in deduct_worker_resources for every single running bundle (1741)
- redirect to home/dashboard when going to /worksheets link (1719)
- Update DockerImageManager cleanup function and fix out of sync dependencies in worker (1502)
- Update genpath of owner_name to be owner instead (1669)
- Update sql query to make jobs transition faster (1537)
- Add deleting foreign key uuid in worker_run table before dropping the uuid in bundle table (1551)
- Improve logging details (1602)
- Don't raise an exception when bundle is not found on target worker (1627)
- Refactor CSS (1603)
- Fix autocomplete command (1645)

Dev / docs
- Allow branches with -'s in their name to pass CI (1601)
- Upgrade react to 16.8 (1508)
- Fix dev environment precommit to fix javascript style (1753)
- Add travis checks for frontend style/formatting (1673)
- Don't push docker images on PR builds (1599)
- Add docs for Slack notifications (1289)