Added valid_cartridge_name? method to Runtime::Manifest class
Bug 1026273 - Allow the '_' character in cartridge name
Fix bug 1028518: include prior upgrade attempts in oo-admin-upgrade output
port interface being removed may not exist
set_group_override fix
Fix for bug 1028284
Merge pull request #4119 from mfojtik/bugzilla/1026273

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Bug 1019246 - Handle errors in setting multiplier for the cartridge
Bug 1028576 - EtcUtils should be explicitly required by the selinux module if its going to be used.
Merge pull request #4137 from pmorie/bugs/1028518

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Merge pull request #4140 from rajatchopra/master

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Merge pull request #4139 from abhgupta/abhgupta-dev

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Merge pull request #4144 from pravisankar/dev/ravi/bug1019246

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Merge pull request #4146 from rmillner/BZ1028576

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Bug 1028205
Bug 1028518