Add modules and examples. update readme

examples/exercise.json

@@ -0,0 +1,72 @@
+{
+    "Exercise": {
+        "postTime": "1985-04-12T23:20:50.52Z",
+        "TTL": 360000,
+        "identifier": "Numerik II, SS10, Aufgabe 1, v1.0",
+        "department": "RUS",
+        "comment": "Um die Studenten mal richtig zu fordern.",
+        "name": "Aufgabe 1",
+        "description": "Schreiben Sie eine C-Funktion...",
+        "elements": [
+            {
+                "identifier": "preamble",
+                "visible": true,
+                "modifiable": false,
+                "name": "Info: source before your code.",
+                "MIMEtype": "text/plain",
+                "syntaxHighlighting": "C",
+                "emphasis": "low",
+                "value": "#include <stdio.h>\n"
+            },
+            {
+                "identifier": "codeFromStudent",
+                "visible": true,
+                "modifiable": true,
+                "name": "Fill in your code!",
+                "MIMEtype": "text/plain",
+                "syntaxHighlighting": "C",
+                "emphasis": "medium",
+                "value": "void bar() { /* Schreiben Sie hier Code, der \"bar\" ausgibt. */\n\n}\n"
+            },
+            {
+                "identifier": "postscript",
+                "visible": true,
+                "modifiable": false,
+                "name": "Info: source after your code calling bar() in it.",
+                "MIMEtype": "text/plain",
+                "syntaxHighlighting": "C",
+                "emphasis": "low",
+                "value": "int main() { bar(); return 0; }"
+            }
+        ],
+        "environment": "anIdentifier",
+        "config": {
+            "C": {
+                "merging": {
+                    "sources": [
+                        "preamble",
+                        "codeFromStudent",
+                        "postscript"
+                    ]
+                },
+                "compiling": {
+                    "compiler": "gcc",
+                    "flags": "-O2 -Wall"
+                },
+                "checking": {
+                    "sources": [
+                        "codeFromStudent"
+                    ],
+                    "forbiddenCalls": "system execve"
+                },
+                "linking": {
+                    "flags": "-lm"
+                },
+                "running": {
+                    "commandLineArguments": "--stepwidth 0.001"
+                },
+                "stopAfterPhase": "running"
+            }
+        }
+    }
+}

examples/solution.json

@@ -0,0 +1,20 @@
+{
+    "Solution": {
+        "postTime": "1985-04-13T17:10:00.52Z",
+        "ID": "#37",
+        "evaluationService": {
+            "jobID": "1234abc",
+            "jobSender": "2"
+        },
+        "comment": "Die war aber schwer!",
+        "exercise": "https://ecs.uni-stuttgart.de/numlab/exercises/4711",
+        "exerciseModifications": {
+            "elements": [
+                {
+                    "identifier": "codeFromStudent",
+                    "value": "void bar() { printf(\"bar!\\n\");\n}\n"
+                }
+            ]
+        }
+    }
+}