Always allow code coverage to be disabled

Allow code coverage to be disabled when specifying an explicit list
of packages.
Fix 'kube apply' panic on nil items

Bug 1146024 - https://bugzilla.redhat.com/show_bug.cgi?id=1146024
Merge pull request #158 from ironcladlou/configurable-cover-flag

Merged by openshift-bot
Merge pull request #146 from VojtechVitek/config_nil_items

Merged by openshift-bot
Fix a typo

invalid comma
Merge pull request #159 from fuleili/patch-1

Merged by openshift-bot
Fix accidentally committed debugging line

Remove the accidentally committed line which changes the actual
test execution to an echo statement. Sorry about that.
Merge pull request #161 from ironcladlou/fix-test-script

Fix accidentally committed debugging line
WIP: introducing osc
WIP: introducing osc
WIP - getting rid of base/base.go
WIP - removed colors for now, printer interface
WIP - NewCommandDeployment installs all, inline version cmd, osc root cmd is now includable
WIP - printer can't be global
WIP
WIP
WIP: added config skeleton and client for commands