Update of parent project: defaults to be 'All-Projects'

When users upate parent project, the default value of
parent project will be 'All-Projects' if users leave it
to be empty, just as that in ceating new project scenario,
thus users need not to recall it should be 'All-Projects'
or 'All_Project' or 'All-projects'.

Change-Id: I831da9cc5fa19c50e8754a0e2a86fc849e21f785
1 file changed