Description of problem:

The overall job progress bars should include sum of partial
results of still running recipes.

Use case:

1. Reserve a few machines.
2. Check the state of installation in "my jobs"
  
Actual results:

Job 1: [--- 0% ---]  (already installed, the recipe progress 50%)
Job 2: [--- 0% ---]  (already installed, the recipe progress 50%)
Job 3: [--- 0% ---]  (installation in progress, recipe at 0%)

Expected results:

Job 1: [--- 50% ---]
Job 2: [--- 50% ---]
Job 3: [---  0% ---]