Melhorias no texto introdutório

Esclarecimentos e remoção de referência ao antigo endereço em
4sq.gcp.net.br (desativado).

README.md

@@ -1,35 +1,35 @@
 Foursquare Mass Editor Tools (Elio Tools)
 =========================================
 
-This is a collection of Superuser Tools for Foursquare venues mass editing and searching.
+This is a collection of Superuser Tools for Foursquare venues mass editing and searching powered by Foursquare API.
 
 It was built using HTML, CSS and JavaScript with Dojo Toolkit on client-side, and also PHP for some legacy features on server-side. Future implementations may be rebuilt from scratch using only JavaScript in a single-page application (SPA).
 
 Key Features
 ------------
 
-* Import full data from a CSV file (temporarily disabled)
+* Import full data from a UTF-8 CSV file
 * Import venues from:
   * Text files
   * Webpage adress
   * Entered IDs or URLs
-* Search venues using API
+* Search venues using Foursquare API
 * Almost all fields editing
 * All types of flagging
 * Export options:
-  * Full CSV file (Western Europe ISO-8859-1)
+  * Full CSV file (UTF-8)
   * Venues URLs only
   * Editing and flagging Report
 * Hierarchical tree viewing of categories
 * Categories editing
 * Multiple fields editing
-* Google Maps locations pin points
+* Google Maps locations markers
 
 Requirements for (Super)Use
 ---------------------------
 
-1. Be a Foursquare Superuser (not tested with normal users)
-2. Go to http://4sq.gcp.net.br or http://4sq.neuralab.cc
+1. To be a Foursquare user or superuser (preferably)
+2. Go to http://4sq.neuralab.cc
 3. Allow application access to your account
 
 If you are not familiar with Brazilian Portuguese language, please translate it using you favorite browser tool. English users report that it works well and is easily understood.