* install action now can install both .fp plugins and .rpm
* remove action can remove .fp and .rpm plugins
* update and downgrade actions are available for new plugin
formats only
* register action was added for the users who install plugin
directly with yum/rpm
* unregister action was added for the users who remove plugin
directly with yum/rpm
* sync action is required for those users who use yum to perform
massive update which includes a lot of plugins
* all unit tests were rewritten, now each layer
(cli, objects, utils) is tested separately.
Change-Id: I2bc837fdaf356a4f4c7291cd0dbfc0a92dc433d6
Implements: blueprint plugins-security-fixes-delivery
75c87d131f