Remove the kvdb instance check from the new manager. Kvdb instance ma… (#1788)
Remove the kvdb instance check from the new manager. Kvdb instance ma… (#1788)

* Remove the kvdb instance check from the new manager creation.

Signed-off-by: Jose Rivera <4a3487e57d90e2084654b6d23937e75af5c8ee55@portworx.com>

* Add kvdb instance checks to alerts routines which use kvdb. Prevent lib panics.

Signed-off-by: Jose Rivera <4a3487e57d90e2084654b6d23937e75af5c8ee55@portworx.com>
libopenstorage/openstorage,libopenstorage/openstorage,libopenstorage/openstorage