Catch setting tooltip for non-existant key.
Merge remote branch 'upstream/master' into fix.empty_stash
Use configured email host in suite hook emails.
rose metadata-graph: add index in doc/command.html
Added a diff for Matt Shin.
Merge pull request #1209 from hjoliver/suite-hook-email-addr

rose suite-hook: use configured email host in email addresses without hosts.
Merge pull request #1212 from benfitzpatrick/rose-metadata-graph.doc-cli-index

rose metadata-graph: add index in doc/command.html
Merge pull request #1208 from arjclark/fix.empty_stash

Fix stash widget starting from empty
rose documentation: fix pre-initial-cycling reference
Merge pull request #1214 from benfitzpatrick/doc.fix-swt-phrasing

rose documentation: fix pre-initial-cycling reference
Merge branch 'master' into pylint
Merge branch 'master' into pylint