Merging changes of r15912. Fixing executable zip command to include igb directory.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@15913 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Avoid asking login in details multiple time.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@15917 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Removing unnecessary option from creating executable zip.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@15918 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Adding start depth operator.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@15919 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Activating start depth operator.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@15920 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Adding bdg as acceptable bed graph file format extension.

git-svn-id: https://svn.code.sf.net/p/genoviz/code/trunk@15923 80d5a9c2-7d8c-4c9f-9369-4e03bca4d2bd
Merge remote-tracking branch 'upstream'