Changes from comments in Code Review: Strings and minor things

res/layout/activity_manage_space.xml

@@ -38,7 +38,7 @@
         android:text="@string/manage_space_clear_data"
         android:id="@+id/clearDataButton"
         android:layout_gravity="center_horizontal"
-        android:layout_margin="@dimen/standard_half_margin"
+        android:layout_margin="@dimen/standard_margin"
         android:theme="@style/Button.Primary"
         style="@style/Button.Primary"
         android:contentDescription="@string/manage_space_clear_data"/>

res/values/strings.xml

@@ -406,7 +406,7 @@
     <string name="action_switch_list_view">List view</string>
 
     <string name="manage_space_title">Manage space</string>
-    <string name="manage_space_description">Settings, Database and Server Certificates from  %1$s\'s data will be deleted permanentlty. \n\nDownloaded files will keep untouched.\n\nThis process can take some time.</string>
+    <string name="manage_space_description">Settings, database and server certificates from  %1$s\'s data will be deleted permanentlty. \n\nDownloaded files will be kept untouched.\n\nThis process can take some time.</string>
     <string name="manage_space_clear_data">Clear data</string>
-    <string name="manage_space_error">Some error occurs when trying to clean app data.</string>
+    <string name="manage_space_error">Some files could not be deleted.</string>
 </resources>

src/com/owncloud/android/ui/activity/ManageSpaceActivity.java

@@ -163,7 +163,7 @@ public class ManageSpaceActivity extends AppCompatActivity {
                 for (int i = 0; i < children.length; i++) {
                     boolean success = deleteDir(new File(dir, children[i]));
                     if (!success) {
-                        Log_OC.d(TAG, "File NOT deleted " + children[i]);
+                        Log_OC.w(TAG, "File NOT deleted " + children[i]);
                         return false;
                     } else {
                         Log_OC.d(TAG, "File deleted " + children[i]);