make local brunch dev work
Added copy button to JSON dialog
Merge pull request #138 from HubSpot/issue-124-json-dialog-copy-button

Added copy button to JSON dialog
Modified how final lines are treated when response is parsed
store the LB message
LogLines tracks the difference in content length between requests
Added 'to top' and 'to bottom' buttons for logs
Fixed bug when trying to scroll to bottom
Stylistic changes
Made 'to top' button fade out if at top
Merge pull request #139 from HubSpot/issue-137-log-tailer-to-top-button

Issue 137 - Added "To Top" & "To Bottom" buttons to log files
Merge branch 'new_refactor_request' into improve_pausing
include executor pid