Changed Drawer and global texts colors

Signed-off-by: Kilian Périsset <kilian.perisset@infomaniak.com>

src/main/java/com/owncloud/android/ui/activity/DrawerActivity.java

@@ -995,7 +995,7 @@ public abstract class DrawerActivity extends ToolbarActivity
                     }
                     menuItem.setTitle(Html.fromHtml(
                         "<font color='"
-                            + ThemeUtils.colorToHexString(ContextCompat.getColor(this, R.color.text_color))
+                            + ThemeUtils.colorToHexString(ContextCompat.getColor(this, R.color.drawer_text_color))
                             + "'>" + menuItem.getTitle()
                             + "</font>"));
                 }

src/main/res/values/colors.xml

@@ -24,7 +24,8 @@
     <color name="list_item_lastmod_and_filesize_text">@color/secondary_text_color</color>
     <color name="black">#000000</color>
     <color name="white">#ffffff</color>
-    <color name="text_color">#000000</color>
+    <color name="text_color">#333333</color>
+    <color name="drawer_text_color">#666666</color>
     <color name="text_color_inverse">#ffffff</color>
     <color name="disabled_text">#ff888888</color>
     <color name="list_divider_background">#eee</color>