hgview #9288 put tags in same column as log [in-progress]

hgview gtk was displaying tags on the tree. hgview qt displays tags in a column on the right. hgview gtk was better because it did not require to look at left and right to read the history.

priorityimportant
typeenhancement
done in1.9.0
load1.000
load left1.000
closed by<not specified>
patch[qt4] move tags from dedicated column to the "Log" column [applied]