Do not allow empty genome.txt file.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@15842 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Add URI to sequence loaded from quickload. 

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@15843 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
When loading a sequence remove previously loading sequence.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@15844 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
If child is not visible then do not create space for it.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@15845 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Refactoring and extracting out method to add child.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@15847 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
If there are not children and direction type is arrow then add directed glyph.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@15848 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Making bam indexer external plugin. 

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@15849 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Adding alpha numeric comparator. 

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@15851 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Using alpha numeric comparator in seq group view.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@15852 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Using alpha numeric comparator in bioseq comparator.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@15853 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Preventing random location of confirmation panel.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@15854 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Merge remote-tracking branch 'upstream'