Sorts editor tabs in alphabetical order.
The title of the selected editor tab gets highlighted in bold font. Some configurations can be made.
Editor tabs will only get reordered if the tab placement is on left or right side or if the tabs are shown
in a single row.
Recent change notes
1.1 title highlighting of selected editor tab, consideration of tab placement and layout policy
1.2 configuration panel added, highlighting now switchable, long titles can be truncated at configurable length,
separation of lower and upper case file names is also configurable
1.2.1 fix for use with JDK 6