Revert "Make EmailActivity the default activity."

This reverts commit cfd89da9c388c88a94e188e057d20d35207cfd68

This would remove all existing widgets somehow.
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 6affe23..6ea0022 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -95,6 +95,11 @@
             android:name=".activity.Welcome"
             >
             <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+            <intent-filter>
                 <action android:name="android.intent.action.VIEW" />
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -193,11 +198,6 @@
         </activity>
         <activity
             android:name=".activity.EmailActivity">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-                <category android:name="android.intent.category.DEFAULT" />
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
         </activity>
         <activity
             android:name=".activity.MessageFileView"