* Chat autocomplete mouse hover styling
* Enable keyboard shortcuts for chat autocomplete
- Tab/down to select next
- Shift-tab/up to select previous
- Enter to make selection
- Escape to cancel
* catch promise rejection when user submits a message to group
* switch response exception handling to try/catch to avoid mixing aysnc/await with promises
* autocomplete dialog now has ternary operator to determine placement
* added min height to textbox
* fixed spacing according to travisCI
* heightToUse function now retrieves argument from props
Jack Cogdill