Feature 10908: Add Upgrade Charm
Adds ability to wait for a unit to go idle
Adds new method to upgrade charm in a particular application
Change-Id: I329286e63519c6398fc1f2229f306eec0b15551a
Signed-off-by: 
beierlm <mark.beierl@canonical.com>
Adds ability to wait for a unit to go idle
Adds new method to upgrade charm in a particular application
Change-Id: I329286e63519c6398fc1f2229f306eec0b15551a
Signed-off-by: beierlm <mark.beierl@canonical.com>