Merge pull request #114 from automata/autolayout-ui

Temporary autolayout UI
number-scrubber: prevent setting value to 0 when no value entered
Add FD components
Merge branch 'master' of github.com:noflo/noflo-ui
node-inspector: don't send string when the port expects numbers
Merge pull request #117 from djdeath/fix-115

node-inspector: don't send string when the port expects numbers
Merge pull request #116 from djdeath/fix-113

number-scrubber: prevent setting value to 0 when no value entered
Get selections from the-graph-editor
Fix typo
Make linter happy
Add menu actions for renaming, refs #108
Make it possible to rename exported ports, fixes #108
Default subgraphs to same environment as main graph
UI for editing and creating groups
Persist graph journals in IndexedDB