Update to the new Gradle plugin; Add a method for a single conference

Author: rubengees

build.gradle

@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:1.5.0'
+        classpath 'com.android.tools.build:gradle:2.0.0-alpha1'
         classpath 'com.github.dcendents:android-maven-gradle-plugin:1.3'
     }
 }

library/src/main/java/com/proxerme/library/connection/UrlHolder.java

@@ -17,6 +17,7 @@ public class UrlHolder {
     private static final String LOGIN = "/login?format=json&action=login";
     private static final String USER_IMAGE = "/images/comprofiler/";
     private static final String CONFERENCES = "/messages?format=json&json=conferences&p=";
+    private static final String CONFERENCE = "/messages?id=";
 
     /**
      * Returns the host of the API.
@@ -50,7 +51,8 @@ public static String getNewsImageUrl(@NonNull String newsId, @NonNull String ima
     }
 
     /**
-     * Returns the url to a single newspage.
+     * Returns the url to a single newspage. This is not part of the REST-Api, but the link to the
+     * webpage.
      * @param categoryId The id of the category of the news.
      * @param threadId The id of the thred.
      * @return The url.
@@ -107,4 +109,16 @@ public static String getConferencesUrl(@IntRange(from = 1) int page) {
         return getHost() + CONFERENCES + page;
     }
 
+    /**
+     * Returns the url to a single conference. This is not part of the REST-Api, but the link to the
+     * webpage.
+     *
+     * @param id The id.
+     * @return The url.
+     */
+    @NonNull
+    public static String getConferenceUrl(@NonNull String id) {
+        return getHost() + CONFERENCE + "#top";
+    }
+
 }