update assignments

Assignments-overview.md

@@ -54,31 +54,13 @@ Final configuration for worker is computer generated from those two configs.
 * **Configuration example**
 ```
 --- # only one document which contains job, aka. list of tasks and some general infos
-problem: # some basic info about problem
-	id: 25
-	name: "test-problem"
-	created-at: 2015/12/09 22:00:00.0000
-	autovalidation: true
-	author:
-		id: 666
-		name: "Martin Polanka"
-		role: "admin"
-submitter: # info about submitter, usually not necessary
-	id: 6666
-	name: "Martin Polanka"
-	role: "student"
-	group:
-		id: 3
-		name: "Programovani I"
 submission: # information about this particular submission
 	id: 255
 	time: 2015/12/09 22:22:22.0000
 	language: "cpp"
 files: # or can be in tasks, sha1 hashing function
-    - hashcode: 94549d889ae96210ff2a73bd0a5bbe3185f05ff6
-      name: "recodex.cpp"
-	- hashcode: 94549d889ae96210ff2a73bd0a5bbe3185f05ff6
-	  name: "01.in"
+	"recodex.cpp": 94549d889ae96210ff2a73bd0a5bbe3185f05ff6
+	"01.in": 94549d889ae96210ff2a73bd0a5bbe3185f05ff6
 tasks:
 	- id: "compile_test01"
 	  priority: 1