Refactoring: fixed allowed http methods

src/main/java/de/deadlocker8/budgetmaster/controller/AboutController.java

@@ -59,7 +59,7 @@ public class AboutController extends BaseController
 		return ReturnValues.WHATS_NEW;
 	}
 
-	@RequestMapping("/whatsNewModal/close")
+	@GetMapping("/whatsNewModal/close")
 	@Transactional
 	public String whatsNewModalClose(HttpServletRequest request)
 	{

src/main/java/de/deadlocker8/budgetmaster/reports/ReportController.java

@@ -21,10 +21,7 @@ import org.joda.time.DateTime;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
-import org.springframework.web.bind.annotation.CookieValue;
-import org.springframework.web.bind.annotation.ModelAttribute;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.*;
 
 import javax.servlet.ServletOutputStream;
 import javax.servlet.http.HttpServletRequest;
@@ -72,7 +69,7 @@ public class ReportController extends BaseController
 		this.filterHelpers = filterHelpers;
 	}
 
-	@RequestMapping
+	@GetMapping
 	public String reports(HttpServletRequest request, Model model, @CookieValue(value = "currentDate", required = false) String cookieDate)
 	{
 		DateTime date = dateService.getDateTimeFromCookie(cookieDate);

src/main/java/de/deadlocker8/budgetmaster/settings/SettingsController.java

@@ -321,7 +321,7 @@ public class SettingsController extends BaseController
 		return ReturnValues.ALL_ENTITIES;
 	}
 
-	@RequestMapping("/database/upload")
+	@PostMapping("/database/upload")
 	public String upload(WebRequest request, Model model, @RequestParam("file") MultipartFile file)
 	{
 		if(file.isEmpty())