Merge pull request #1 from thisCourse/raj-glossary

Insert replaceText code
Glossary wrapping now working.
Add fetchAll method to BaseCollection class.
Merge branch 'develop' of https://github.com/thisCourse/thisCourse into glossary
Designed the search title function which loops through the collection hierarchy and replaces the glossary word with the glossary tags which in turn shows the glossary definition on hovering over the word.
Attached the rendering of the subview to the DOM.
Change glossary tagging to be done at item render.