Merge branch 'vivy-document-view' into 'master'

.clang-format

CMakeLists.txt

src/Lib/Ass/Ass.hh

src/Lib/Ass/AssFactory.cc

src/Lib/Ass/AssFactory.hh

src/Lib/Ass/Char.cc

src/Lib/Ass/Char.hh

src/Lib/Ass/Line.cc

src/Lib/Ass/Line.hh

src/Lib/Ass/Style.cc

src/Lib/Ass/Style.hh

src/Lib/Ass/StyleProperties.hh

src/Lib/Ass/Syl.cc

src/Lib/Ass/Syl.hh

src/Lib/Audio.cc

src/Lib/Document/AbstractDocument.hh

src/Lib/Document/CRTPSubDocument.cc

src/Lib/Document/CRTPSubDocument.hh

src/Lib/Document/VivyDocument.cc

src/Lib/Document/VivyDocument.hh