This removes the dependancy on C leveldb and snappy.
It also takes care of fewer dependencies as they would
anyway not work on any non-Debian, non-Brew system.
Change-Id: Ia70dce1ba8a816a003587927e0b3a3f8ad2fd28c
This reverts commit e3bc6fc9dc, reversing
changes made to 1cf9e5840a.
Conflicts:
retrieval/target_provider.go
Change-Id: Icb6e98fb30419e9e2fe9b686c243702ced372014