Moved user names in the char 1 pixel to the bottom.
Enabled going to the clicked user in the chat.
Gave more space to the user in sent messages so that resizing of the
column for messages occurs for really long user names.
Highlighted the user's own chat messages.
Changed the dock widget for the chat so that it replicates the agreed
upon design.
Changed the highlighting of own messages to occupy the whole row.
Put the chat window above the 3D view and animated its showing.
Simplified the new goToUser function.
Merge pull request #2529 from ddobrev/19520

Improvements to chat