* ncm: Implement InstallTaskDataBase and FileInstallTaskData

* ncm: minor bugfixes

* ncm: Implemented MemoryInstallTaskData

* ncm: more std

* ncm: begin implementing install task base

* ncm: move protected funcs

* ncm: fix recursive include

* ncm: more install task progress

* ncm install task: implement IncrementProgress and update UpdateThroughputMeasurement

* ncm: more work

* ncm client: more progress

* ncm client: more progress

* ncm client: finish implementing GetContentMetaInfoList

* ncm client: more progress

* ncm client: finished InstallTaskBase

* ncm client: implement PackageInstallTaskBase

* ncm client: fixes

* ncm: improve accuracy

* ncm client: implement PackageInstallTask

* ncm client: implement PackageSystemUpdateTask

* ncm client: minor name tweaks

* ncm client: implement SubmissionPackageInstallTask

* ncm client: add missing this to SubmissionPackageInstallTask

* ncm client: add missing nullptr check to SubmissionPackageInstallTask destructor

* ncm client: SubmissionPackageInstallTask fixes

* ncm: fix forward declarations

* ncm client: added simplified funcs

* ncm: cleanup client code

* ncm: fix bug introduced by cleanup

* ncm: fix typo

* ncm: implement correct ReadVariationContentMetaInfoList behavior

* ncm: correct InstallContentMetaWriter ctor

* ncm: correct conversion of content meta header types

Co-authored-by: Michael Scire <SciresM@gmail.com>