Fixes #4080: Change all references to version number to be 2.8 for the 2.8 doc
Merge pull request #34 from jooooooon/bug_4080/change_all_references_to_version_number_to_be_2_8_for_the_2_8_doc

Fixes #4080: Change all references to version number to be 2.8 for the 2...