Role Journal Created

* Added WYSIWYG editor to new_ivanhoe_move.php for rationale/comments
* Created role journal and role journal archive pages
* Registered 'Role Journal' custom post type
updated role_journal branch with develop branch things.
Added role journal

Created ivanhoe_get_rationales function to display role journal entries on
the Role page. Additionally added a WYSIWYG editor for the rational on
new_ivanhoe_move.php form.
Merge branch 'develop' of github.com:scholarslab/ivanhoe into develop