group visual fixes

// FREEBIE

src/org/thoughtcrime/securesms/database/model/MessageRecord.java

@@ -19,6 +19,8 @@ package org.thoughtcrime.securesms.database.model;
 import android.content.Context;
 import android.text.Spannable;
 import android.text.SpannableString;
+import android.text.style.ForegroundColorSpan;
+import android.text.style.RelativeSizeSpan;
 import android.text.style.StyleSpan;
 import android.text.style.TextAppearanceSpan;
 
@@ -177,7 +179,7 @@ public abstract class MessageRecord extends DisplayRecord {
 
   protected SpannableString emphasisAdded(String sequence) {
     SpannableString spannable = new SpannableString(sequence);
-    spannable.setSpan(new TextAppearanceSpan(context, android.R.style.TextAppearance_Small), 0, sequence.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
+    spannable.setSpan(new RelativeSizeSpan(0.9f), 0, sequence.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
     spannable.setSpan(new StyleSpan(android.graphics.Typeface.ITALIC), 0, sequence.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 
     return spannable;

src/org/thoughtcrime/securesms/util/GroupUtil.java

@@ -37,20 +37,21 @@ public class GroupUtil {
     }
 
     try {
-      String       description = "";
+      StringBuilder description  = new StringBuilder();
       GroupContext  groupContext = GroupContext.parseFrom(Base64.decode(encodedGroup));
       List<String>  members      = groupContext.getMembersList();
       String        title        = groupContext.getName();
 
       if (!members.isEmpty()) {
-        description += context.getString(R.string.GroupUtil_joined_the_group, Util.join(members, ", "));
+        description.append(context.getString(R.string.GroupUtil_joined_the_group, Util.join(members, ", ")));
       }
 
       if (title != null && !title.trim().isEmpty()) {
-        description += context.getString(R.string.GroupUtil_title_is_now, title);
+        if (description.length() > 0) description.append(" ");
+        description.append(context.getString(R.string.GroupUtil_title_is_now, title));
       }
 
-      return description;
+      return description.toString();
     } catch (InvalidProtocolBufferException e) {
       Log.w("GroupUtil", e);
       return context.getString(R.string.GroupUtil_group_updated);