Add more line breaks at the admin help message.

Author: Aleksi Salmela

src/main/java/fi/helsinki/cs/tmc/cli/command/admin/AdminCommand.java

@@ -41,26 +41,26 @@ public class AdminCommand extends AbstractCommand {
 
     private static final Logger logger = LoggerFactory.getLogger(AdminCommand.class);
     private static final String HELP_TEXT =
-            "Usage: tmc admin <COMMAND> [<command-arguments>] \n\n"
+            "Usage: tmc admin <COMMAND> [<COMMAND-ARGUMENTS>]\n\n"
                     + "Commands:\n"
-                    + "checkstyle --exercise=<PATH> --output=<PATH> --locale=<LOCALE>"
+                    + "checkstyle --exercise=<PATH> --output=<PATH> --locale=<LOCALE>\n"
                     + "    Run checkstyle or similar plugin to project if applicable.\n"
-                    + "help"
+                    + "help\n"
                     + "    Display help information.\n"
-                    + "prepare-solutions --exercise=<PATH> --output=<PATH>"
+                    + "prepare-solutions --exercise=<PATH> --output=<PATH>\n"
                     + "    Prepare a presentable solution from the original.\n"
-                    + "prepare-stubs --exercise=<PATH> -- output=<PATH> --locale=<LOCALE>"
+                    + "prepare-stubs --exercise=<PATH> -- output=<PATH> --locale=<LOCALE>\n"
                     + "    Prepare a stub exercise from the original.\n"
-                    + "run-tests --exercise=<PATH> --output=<PATH>"
+                    + "run-tests --exercise=<PATH> --output=<PATH>\n"
                     + "    Run the tests for the exercise.\n"
-                    + "scan-exercise --exercise=<PATH> --output=<PATH>"
+                    + "scan-exercise --exercise=<PATH> --output=<PATH>\n"
                     + "    Produce an exercise description of an exercise directory.\n"
-                    + "find-exercises --exercise=<PATH> --output=<PATH>"
+                    + "find-exercises --exercise=<PATH> --output=<PATH>\n"
                     + "    Produce list of found exercises.\n"
-                    + "get-exercise-packaging-configuration --exercise=<PATH> --output=<PATH>"
+                    + "get-exercise-packaging-configuration --exercise=<PATH> --output=<PATH>\n"
                     + "    Returns configuration of under which folders student and nonstudent"
-                    + " files are located."
-                    + "clean --exercise=<PATH>"
+                    + " files are located.\n"
+                    + "clean --exercise=<PATH>\n"
                     + "    Produce list of found exercises.";
 //                  + "prepare-submission  --clonePath --submissionPath --output=PATH"
 //                  + "    Prepares from submission and solution project for which the tests"