BibField: manager port initial release

* Replaces `inveniocfg` options `--load-bibfield-conf` and
  `--reset-recjson-cache` by new `inveniomanage bibfield` manager:
  `config load` and `reset`.

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
BibConvert: manager port initial release

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
inveniomanage: version command addition

* DEPRECATED `inveniocfg --version`

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
inveniomanage: `apache version` command addition

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
inveniomanage: config manager initial release

* Adds command `database version`.

* Ports commands for printing database and system information.

* Adds commands `database driver` and `detect-system-details` for
  printing usefull debugging information about database and system.

* Ports `config create secret-key` from `inveniocfg --create-secret-key`

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
inveniomanage: `config update` initial port

* Addresses problem with running `inveniomanage` commands from
  `inveniocfg --update-all`.

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
BibFormat: bfe elements loader inside engine

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>