switched to default theme, set using of soft tabs to true
code given to PlayerCodeEditor constructor is now wrapped in class 'StudentCode' and public static void main (String[] args) method
insertLine now inserts a line after the current line, this is to make it possible to put the new line on the correct indentation
removed trailing whitespace from mode-java, somewhat automatically
organizign ace so that we know what version of the source we are using
organizign ace so that we know what version of the source we are using
student code wrapping adds a suffix now always iff the prefix was not found
insert lines keeps correct tabbing, almost works one bug left