Merge pull request #142 from opennode/tui-62

Hacky fix for nameserver being sent as a list (TUI-62)
Restore inadvertently reverted fix from d36d0f0fc42b59558fc81c0550d09008339c1e1e
Merge branch 'master' of github.com:opennode/opennode-tui
A hacky fix to plug a KVM-related error in librirt utility (TUI-62)
Added qcow2 disk size increase if requested at deploy time. Only increase is supported (TUI-104)
Fix an issue with deployment due to nameservers parameter normalization
Merge branch 'master' into tui-104
Fix weird agent behaviour when a TypeEeError occurs in a method (TUI-106)
Fix a typo (TUI-104)
Merge pull request #143 from opennode/tui-104

Tui 104
Fixed an incorrectly passed argument in the VM info function (TUI-92)
Propagate general MAC address to VM during deployment (OMS-524)
Fix info_vm implementation
Merge pull request #144 from opennode/oms-524

Propagate general MAC address to VM during deployment (OMS-524)
Merge branch 'master' of github.com:opennode/opennode-tui
Compatibility fixes for Salt v0.15 migration (TUI-101)
Merge pull request #145 from opennode/tui-101

Compatibility fixes for Salt v0.15 migration (TUI-101)
Fix value of diskspace to be represented in MB
Merge branch 'master' of github.com:opennode/opennode-tui
Implement post-undeploy cleanup for KVM (TUI-108)

Cleanup everything on undeploy

Minor refactoring + fixes