maint: correct docstring parameter description

Change-Id: I15ad8f17d05c1af3fc2e3b90ed4e71451fdd328d
Fix live_migration method's docstring

Update with actual code path.

Change-Id: I5a306773d93affc30fa756a51a34924f60aafa69
Fix infinitely reschedule instance due to miss retry info

The logic of building instance is moved from scheduler to conductor,
But 'retry' info is still populated at scheduler manager, and that
can't be take back from rpc call. This patch moves the retry checking
logic into conductor, and keep the old 'schedule_run_instance'
same as before.

Change-Id: I4efafe815e8623881e6c037eb9d04c0dbb7052a2
Partial-Bug: #1326207
Remove unused code from test_compute_cells

The decorator was introduced in change
I048cc532614c602f3aa6b539fb51e951174e4598 - but it's usage has since
been removed.

Change-Id: Icf00f85a72198aeaf1ac7d32fb492b020399e3b4
Merge "Remove unused code from test_compute_cells"
Merge "Fix infinitely reschedule instance due to miss retry info"
Merge "Fix live_migration method's docstring"
Merge "maint: correct docstring parameter description"