[entropy.spm] PortagePlugin: add support for the new make.conf location
[entropy.client.interfaces.db] lazily set _repo_eapi

__get_repo_eapi() may be expensive and should only be called if
really needed.
[solo.commands.update] drop download accounting for repositories, no longer used
[entropy.services] make possible to block Entropy WebServices support client-side
Release Entropy 196
Tagging Entropy version 196
[entropy.client.services] eapi value can be None if unset
Release Entropy 197
Tagging Entropy version 197
[entropy.client.services] fix typo in method call
Release Entropy 198
Tagging Entropy version 198
[entropy.server] _calculate_sync_queues: generate upload_queue by interating over dict_items
[entropy.spm] convert string to bytes before passing it to hashlib objects
[services] entropy-pkgdelta-generator: check if "deltas" subdir exists before scanning
[matter] log and report packages not built due to missing USE flags
[matter] print final status report using print_generic, avoids the timestamp prefix
[matter] import print_generic
[matter] add a final \n to the missing USE output
[entropy.const] const_convert_to_{rawstring,unicode}: add float support