Description of problem:
The current editing entry is always put in the middle. This behavior may annoy mouse users, as they expected the selected entry is right under the mouse cursor.
Version-Release number of selected component (if applicable):
Zanata version 2.1-SNAPSHOT (20121206-1113)
Steps to Reproduce:
1. Visit a document with many short messages, such as software project.
2. Click at an entry on the lower part of the screen.
The selected entry moved to middle.
1. If whole entry can be seen, then stay at that same place.
2. else scroll up or down until whole entry can be seen.
committed into master:
VERIFIED with Zanata version 2.1-SNAPSHOT (20121214-0032)