LMP Graffiti: FilesModel::UpdateInfo.
LMP Graffiti: somewhat support updates.
LMP: added MediaInfo comparison ops.
LMP Graffiti: store original info; GetModified().
LMP Graffiti: link to Taglib.
LMP Graffiti: save/revert.
LMP Graffiti: changed indicator.
LMP: substitution elements getters/setters.
LMP: replace ? and / with _ in SyncManager.
LMP: exposed substitutions stuff in ILMPProxy.
Core: added Clang build quirks.
Core: more plugins enabled by default.