Overriding get print able string for score.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@15299 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Adding comparator interface it's implementations.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@15300 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Using comparator interface in score.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@15301 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Add comparator as extension point.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@15302 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Renaming comparator.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@15303 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Do not add if cancel is selected.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@15304 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Merge remote-tracking branch 'upstream'