HTMLEditorController and HTMLEditorCommands is for execCommand, so we should
move from composer to libeditor since HTML editor code is in libeditor.
MozReview-Commit-ID: DEBoTqUsQnw
--HG--
rename : editor/composer/HTMLEditorCommands.cpp => editor/libeditor/HTMLEditorCommands.cpp
rename : editor/composer/HTMLEditorCommands.h => editor/libeditor/HTMLEditorCommands.h
rename : editor/composer/HTMLEditorController.cpp => editor/libeditor/HTMLEditorController.cpp
rename : editor/composer/HTMLEditorController.h => editor/libeditor/HTMLEditorController.h
rename : editor/composer/HTMLEditorDocumentCommands.cpp => editor/libeditor/HTMLEditorDocumentCommands.cpp
extra : rebase_source : 0b9627ac89803212da3377db3dfefedc3b57ce73
Makoto Kato