Did FE part
Merge remote-tracking branch 'origin/record_updated_time_for_scheduled_tasks' into display-status-change-time
Add tooltips with parameters to dependency graph.
Merge branch 'visualdna_hackday_2013-06-19' of github.com:VisualDNA/luigi into add-tooltips

Conflicts:
	luigi/scheduler.py
Merge branch 'visualdna_hackday_2013-06-19' of github.com:VisualDNA/luigi into add-tooltips
Merge remote-tracking branch 'visualdna-external/display-status-change-time' into visualdna_hackday_2013-06-19

Conflicts:
	luigi/static/visualiser/js/visualiserApp.js
Remove duplicate jQuery UI css and js.
Bootstrap alert
Merge remote-tracking branch 'visualdna-external/error_on_bad_search_ui_improvements' into visualdna_hackday_2013-06-19
Merge branch 'visualdna_hackday_2013-06-19' into add-tooltips