Datalab 1.1.20170406

First update after GA release brings the following features and bug fixes:

Features and improvements:

• Add a new settings pane under Account dropdown (#1271)
• Don't prompt for a zone when the user specifies a non-existant instance. (#1273)
• Verify the /tmp directory is writeable at startup. (#1267)
• Support selecting a zone by number. (#1277)
• Map the entire /content directory to the disk instead of just /content/datalab (#1281)
• Add .gitignore and README.md when the repo is brand new. (#1270)
• Improve the user experience around accessing help information and notebook navigation (#1284)
• Add new "Jump to file" functionality (#1282)
• Add "Interrupt Execution" (stop cell) button (#1289)
• Upgrade DataFlow to 0.6.0. Remove CloudML SDK (deprecated). (#1299)
• Update ipywidgets to 6.0.0 (#1302)

Bug fixes:

• Bring back Notebook down chevron (#1252)
• Fix link from help panel to Readme noteboook. (#1258)
• Fix editor load errors, restored syntax colors for markdown file (#1260)
• Don't let the datalab tool manage non-datalab instances (#1269)
• Fix css cut-off issue on cell mini-toolbar (#1287)
• Fix appContent height bug that shows on Safari (#1291)
• Fixes for the race condition in setting up the /tmp dir (#1296)
• Only store directories as default tree locations. (#1304)
• Fix some indentation; no code changes. (#1306)

This release also deprecates the Kernel Gateway scenario in:

• Remove support for kernel gateway backends. (#1288)