Gearing up possible replacement of JEditor pane

[Andrus Adamchik]

I just committed a patch by Olga Tkachova that implements a text pane  
component with syntax highlighting similar to JEditor thingy that we  
used for SQLTemplates. It is used for EJBQL queries and supports  
similar highlighting approach, but without the problems with container  
resizing. It also supports line numbering and will support error  
highlighting soon.

If it works out ok for the EJBQL query, I'd suggest we switch  
SQLTeamplates to it as well.

Comments?

Andrus