Added preservation of scroll and zoom between graph views
Merge remote-tracking branch 'upstream/master' into upstream_staging_preserve_graph_state
Don't show links when no trackingUrl available
show job id if available, even if url isn't
set length of storageLocation to 2048
Merge pull request #24 from jeffmagnusson/increase_storage_location_size

set length of storageLocation to 2048
Merge pull request #21 from mortardata/upstream_staging_preserve_graph_state

Preserve zoom/scroll state when switching between optimized and unoptimized views
Merge pull request #23 from mortardata/upstream_staging_handle_no_jobtracker_url

Gracefully handle jobtracker url not being present