Updating add dummy child method.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@14966 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Adding method to clear middle glyphs.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@14967 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Adding metho to create glyphs for list of sym.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@14968 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Overriding create glyph in annot glyph factory.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@14969 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Deleting unused method.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@14970 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Merge remote-tracking branch 'upstream'