Merge pull request #10 from ziggyzaggy/master

Courses have books attached - requires a courses_recommendations table for that, keyword now actually looks through keywords
Merge pull request #11 from ziggyzaggy/master

removed the additional div from search unless a search action was made
Merge pull request #12 from ziggyzaggy/master

display now returns most details about specified book
courses can be created and saved in the db
book display and recommended course books