implemented initial globalcore, goldnugget
Implement professor, department filters
user can now close search results on command
Merge branch 'advanced_search' of github.com:adicu/Courses into search-form
fixes for search form doh
Clean up code, use actual index for global core
Merge branch 'master' into search-form
Merge pull request #150 from adicu/search-form

Adds proper instructor and global core search