* Remove one import.
Merge branch 'master' of https://github.com/arjanbroos/2id26-rest
* Add DBScan clustering functions.
 * Add a test case in main with DBScan.
Merge branch 'master' of https://github.com/arjanbroos/2id26-rest

Conflicts:
	src/main/java/tue/bookstore/main/Main.java