Remove listeners when updating text fields.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@14754 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Disable gff3 parser test.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@14755 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Select on right click.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@14756 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Merge remote-tracking branch 'upstream'