Enhance visualisation of ticket states in Web

[a-tze]

Issue migrated from trac ticket # 59

component: webapp | priority: minor

2014-01-08 13:12:20: @a-tze created the issue

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The ticket views can be enhanced for different kinds of tickets.

Examples:

• Locked meta ticket: children should be grey or folded or something
• failed tickets: should be much easier to find, either implement a separate filter view or display them on top of the list
• needs attention flag and comments of a meta ticket should be inherited by children (visually, not in DB)
• tickets that are assigned to a worker for more than 2 hours should be marked to get attention by the operator
  • maybe shorter period, if ping command can be evaluated for this
• encoding tickets that are locked due to non-obviously reasons should be grey or similar (see #58)

[a-tze]

2014-07-13 12:11:30: @jjeising changed status from new to accepted

[a-tze]

2014-07-13 12:12:35: @jjeising commented

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Also add icon for servicable states in place where the action button would be (in queue, in service by worker x…).