Clean up UI

AndroidManifest.xml

@@ -262,7 +262,7 @@
 
     <activity android:name=".PassphrasePromptActivity"
               android:launchMode="singleTask"
-              android:theme="@style/TextSecure.LightIntroTheme"
+              android:theme="@style/TextSecure.DarkIntroTheme"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 
     <activity android:name=".NewConversationActivity"
@@ -314,7 +314,7 @@
 
     <activity android:name=".registration.CaptchaActivity"
               android:launchMode="singleTask"
-              android:theme="@style/TextSecure.LightNoActionBar"
+              android:theme="@style/TextSecure.DarkNoActionBar"
               android:windowSoftInputMode="stateUnchanged"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout|screenSize"/>
 

res/values/strings.xml

@@ -1509,7 +1509,7 @@
     <string name="RegistrationLockDialog_disable_registration_lock_pin">Disable Registration Lock PIN?</string>
     <string name="RegistrationLockDialog_disable">Disable</string>
     <string name="preferences_chats__backups">Backups</string>
-    <string name="prompt_passphrase_activity__signal_is_locked">Signal is locked</string>
+    <string name="prompt_passphrase_activity__signal_is_locked">Loki Messenger is locked</string>
     <string name="prompt_passphrase_activity__tap_to_unlock">TAP TO UNLOCK</string>
     <string name="RegistrationLockDialog_reminder">Reminder:</string>
     <string name="recipient_preferences__about">About</string>

res/values/themes.xml

@@ -122,7 +122,7 @@
         <item name="colorAccent">@color/textsecure_primary_dark</item>
         <item name="colorControlActivated">@color/signal_primary</item>
         <item name="colorControlHighlight">@color/signal_primary</item>
-        <item name="android:windowBackground">@color/white</item>
+        <item name="android:windowBackground">@color/loki_darkest_gray</item>
         <item name="alertDialogTheme">@style/AppCompatAlertDialogStyleLight</item>
         <item name="android:alertDialogTheme">@style/AppCompatDialogStyleLight</item>
         <!--<item name="android:windowContentOverlay">@drawable/compat_actionbar_shadow_background</item>-->
@@ -267,6 +267,7 @@
         <item name="shared_contact_details_header_background">@color/grey_100</item>
         <item name="shared_contact_details_titlebar">@color/grey_400</item>
         <item name="shared_contact_item_button_color">@color/core_grey_02</item>
+        <item name="android:statusBarColor">@color/black</item>
     </style>
 
     <style name="TextSecure.DarkTheme" parent="@style/Theme.AppCompat">