fixed majority of java-related warnings
diff --git a/src/com/savoirfairelinux/sflphone/adapters/AccountSelectionAdapter.java b/src/com/savoirfairelinux/sflphone/adapters/AccountSelectionAdapter.java
index c794cdb..ae5d8a5 100644
--- a/src/com/savoirfairelinux/sflphone/adapters/AccountSelectionAdapter.java
+++ b/src/com/savoirfairelinux/sflphone/adapters/AccountSelectionAdapter.java
@@ -14,7 +14,6 @@
 
 import com.savoirfairelinux.sflphone.R;
 import com.savoirfairelinux.sflphone.model.Account;
-import com.savoirfairelinux.sflphone.service.ISipService;
 
 public class AccountSelectionAdapter extends BaseAdapter {
 
diff --git a/src/com/savoirfairelinux/sflphone/adapters/ContactPictureLoader.java b/src/com/savoirfairelinux/sflphone/adapters/ContactPictureTask.java
similarity index 94%
rename from src/com/savoirfairelinux/sflphone/adapters/ContactPictureLoader.java
rename to src/com/savoirfairelinux/sflphone/adapters/ContactPictureTask.java
index 591d0c3..d1d5f6b 100644
--- a/src/com/savoirfairelinux/sflphone/adapters/ContactPictureLoader.java
+++ b/src/com/savoirfairelinux/sflphone/adapters/ContactPictureTask.java
@@ -50,13 +50,13 @@
 
 import com.savoirfairelinux.sflphone.R;
 
-public class ContactPictureLoader implements Runnable {
+public class ContactPictureTask implements Runnable {
     private ImageView view;
     private long cid;
     private ContentResolver cr;
-    private final String TAG = ContactPictureLoader.class.getSimpleName();
+//    private final String TAG = ContactPictureTask.class.getSimpleName();
 
-    public ContactPictureLoader(Context context, ImageView element, long contact_id) {
+    public ContactPictureTask(Context context, ImageView element, long contact_id) {
         cid = contact_id;
         cr = context.getContentResolver();
         view = element;
diff --git a/src/com/savoirfairelinux/sflphone/adapters/ContactsAdapter.java b/src/com/savoirfairelinux/sflphone/adapters/ContactsAdapter.java
index b27c85f..a47b20a 100644
--- a/src/com/savoirfairelinux/sflphone/adapters/ContactsAdapter.java
+++ b/src/com/savoirfairelinux/sflphone/adapters/ContactsAdapter.java
@@ -9,7 +9,6 @@
 import java.util.concurrent.Executors;
 
 import android.content.Context;
-import android.util.Log;
 import android.util.SparseArray;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -30,7 +29,7 @@
     HashMap<String, Integer> alphaIndexer;
     String[] sections;
 
-    private static final String TAG = ContactsAdapter.class.getSimpleName();
+//    private static final String TAG = ContactsAdapter.class.getSimpleName();
 
     public ContactsAdapter(Context context) {
         super();
@@ -79,7 +78,7 @@
         ((TextView) convertView.findViewById(R.id.display_name)).setText(item.getmDisplayName());
         ImageView photo_view = (ImageView) convertView.findViewById(R.id.photo);
 
-        infos_fetcher.execute(new ContactPictureLoader(mContext, photo_view, item.getId()));
+        infos_fetcher.execute(new ContactPictureTask(mContext, photo_view, item.getId()));
 
         return convertView;
     }
@@ -206,14 +205,14 @@
         }
 
         private class Section {
-            public int startPosition;
+//            public int startPosition;
             public int number;
             public String header;
 
             public Section(int i, int headersCount, String str) {
 //                Log.i(TAG, "Creating section");
 
-                startPosition = i + headersCount;
+//                startPosition = i + headersCount;
                 number = headersCount;
                 header = str;
 
diff --git a/src/com/savoirfairelinux/sflphone/adapters/SectionsPagerAdapter.java b/src/com/savoirfairelinux/sflphone/adapters/SectionsPagerAdapter.java
index f58ad4f..903eac6 100644
--- a/src/com/savoirfairelinux/sflphone/adapters/SectionsPagerAdapter.java
+++ b/src/com/savoirfairelinux/sflphone/adapters/SectionsPagerAdapter.java
@@ -1,19 +1,19 @@
 package com.savoirfairelinux.sflphone.adapters;
 
 import java.util.ArrayList;
+import java.util.Locale;
 
 import android.app.Fragment;
 import android.app.FragmentManager;
 import android.content.Context;
-import android.os.Bundle;
 import android.os.RemoteException;
 import android.support.v13.app.FragmentStatePagerAdapter;
 import android.util.Log;
 
 import com.savoirfairelinux.sflphone.R;
-import com.savoirfairelinux.sflphone.fragments.HomeFragment;
 import com.savoirfairelinux.sflphone.fragments.DialingFragment;
 import com.savoirfairelinux.sflphone.fragments.HistoryFragment;
+import com.savoirfairelinux.sflphone.fragments.HomeFragment;
 
 public class SectionsPagerAdapter extends FragmentStatePagerAdapter {
     
@@ -73,11 +73,11 @@
     public CharSequence getPageTitle(int position) {
         switch (position) {
         case 0:
-            return mContext.getString(R.string.title_section0).toUpperCase();
+            return mContext.getString(R.string.title_section0).toUpperCase(Locale.getDefault());
         case 1:
-            return mContext.getString(R.string.title_section1).toUpperCase();
+            return mContext.getString(R.string.title_section1).toUpperCase(Locale.getDefault());
         case 2:
-            return mContext.getString(R.string.title_section2).toUpperCase();
+            return mContext.getString(R.string.title_section2).toUpperCase(Locale.getDefault());
         default:
             Log.e(TAG, "getPageTitle: unknown tab position " + position);
             break;
diff --git a/src/com/savoirfairelinux/sflphone/adapters/StarredContactsAdapter.java b/src/com/savoirfairelinux/sflphone/adapters/StarredContactsAdapter.java
index c09dfe7..70ac20e 100644
--- a/src/com/savoirfairelinux/sflphone/adapters/StarredContactsAdapter.java
+++ b/src/com/savoirfairelinux/sflphone/adapters/StarredContactsAdapter.java
@@ -52,7 +52,7 @@
     private ArrayList<CallContact> dataset;
     Context mContext;
 
-    private static final String TAG = ContactsAdapter.class.getSimpleName();
+//    private static final String TAG = ContactsAdapter.class.getSimpleName();
 
     public StarredContactsAdapter(Context context) {
         super();
@@ -100,7 +100,7 @@
         ((TextView) v.findViewById(R.id.display_name)).setText(item.getmDisplayName());
         ImageView photo_view = (ImageView) v.findViewById(R.id.photo);
 
-        infos_fetcher.execute(new ContactPictureLoader(mContext, photo_view, item.getId()));
+        infos_fetcher.execute(new ContactPictureTask(mContext, photo_view, item.getId()));
 
         return v;
     }