Import latest update
view_course_content.rst 未完成，剩四分之一。
Merge branch 'ca-manual' of https://github.com/okalright/manuals into develop
view_course_content.rst 完成。
Merge pull request #1 from okalright/ca-manual

view_course_content.rst 完成
add_syllabus.rst 完成。
Merge pull request #2 from okalright/ca-manual

add_syllabus.rst 完成。
Update README.md, add links for online document
Merge branch 'develop' of github.com:edXPDRLab/manuals into develop
change_log.rst 完成。
change_log.rst 完成。
附錄 A 完成。
附錄 B 完成。
附錄 C 完成。
附錄 D 完成。
Merge pull request #3 from okalright/ca-manual

Ca manual
commit_1
new commit

set_content_releasedates.rst
modify_published_content.rst
invite_students_to_register.rst
export_import_course.rst
establish_grading_policy.rst
checking_student_progress.rst
create_discussion.rst
create_html_component.rst
create_seed_wiki.rst
create_welcome_announcement.rst
Merge pull request #4 from Cabris/ca-manual

Ca-manual
Update copyright information
Correct the word wrap, inconsistency translations and typos of add_syllabus.rst
Revert to origin untranslated version, only translate title
Merge branch 'develop' into review/v0.1
First phase of review