Hide create button if course wiki mapping exists
Handled the workflow when  user tries to create wiki, but it already exists..
Added disassociate wiki and also changed some navigation from render_wiki
applied ui to render_wiki; added is_new to views.py
Modified Edit and Associate screens with  Roderick’s UI changes.
Fixed the delete record on disassociate
Added remove icon for disassociate and fixed params in some inner methods
Merge branch 'develop' into feature/ConfluenceWiki

# By Roderick Morales (8) and Parker, Eric P (2)
# Via Roderick Morales (2) and sapnamysore (1)
* develop:
  Wiki LTI templates finished
  test
  test
  test
  test
  test
  Testing github committing.
  templates for wikiLTI
  initial commit of lit templates
  initial commit of lit templates