Merge pull request #1 from Tractive/feature/expose_trigger

MOD expose triggers to automatically refresh a query

Author: xMikeTx

sqlbrite/src/main/java/com/squareup/sqlbrite/BriteDatabase.java

@@ -114,6 +114,10 @@ public void setLoggingEnabled(boolean enabled) {
     logging = enabled;
   }
 
+  public PublishSubject<Set<String>> getTriggersSubject() {
+    return triggers;
+  }
+
   private SQLiteDatabase getReadableDatabase() {
     SQLiteDatabase db = readableDatabase;
     if (db == null) {