Cherry-pick MR ! 101 to master branch

See merge request !146

Trying to get TurboSP and MC with truthmatching to work

See merge request !101

(cherry picked from commit bf52f8bf)

87e70041 First commit of Configuration file, trying to get TurboSP MC to run with truthmatching
8e646c9a fix some typos
6fc9415d Commit latest try for neutral association in TurboSP
d6b201cf Add working neutral-matching logic, tidy up.
67d09999 Working version.
c4797d9e Remove temporary comments.

Make sure DaVinci().Detectors property is propagated to SimConf

See merge request !141

Cherry-pick MR !139 to master

See merge request !142

Make CaloDigit cloning behaviour consistent in Tesla

See merge request !139

(cherry picked from commit ac98d6c8)

d29cbdb4 Make CaloDigit cloning behaviour consistent, and also always-on for PersistReco.
fb4d7326 Add missing imports, fix typo.

Add validators to upgrade tests

See merge request !138

Add some tests for Upgrade configuration

See merge request !136

Validate DaVinci configuration for Turbo data

See merge request !116

DaVinci:

See merge request !113

 - Set "CondDB ( Upgdade = True)"  for DataType='Upgrade'

Documentation and dependencies for v43r1 release

See merge request !111

Fix untested StatusCodes exposed by gaudi/Gaudi!386

See merge request !110

Documentation and dependencies for the v42r6p1 release

See merge request !100

Add StrippingCache for S29r1

See merge request !99

Documentation and dependencies for the v42r6p1 release

See merge request !98

Fix most of the failing Tesla tests

See merge request !95

This reverts commit 07f4e043.

Documentation and dependencies redone for the v42r6 release after an important update.

See merge request !94

Fix stripping tests

See merge request !93

The major differences are:

* Turbo processing generally requires `DaVinci().Turbo = True`;
* The packers now require the locations of packed containers that should
always be created to be explicitly specified, and emit a warning if
these are not specified.

Documentation and dependencies for the v42r6 release

See merge request !92