Update documentation

docs/main.md

@@ -8,6 +8,11 @@ iwla (Intelligent Web Log Analyzer) is basically a clone of [awstats](http://www
 
 Nevertheless, iwla is only focused on HTTP logs. It uses data (robots definitions, search engines definitions) and design from awstats. Moreover, it's not dynamic, but only generates static HTML page (with gzip compression option).
 
+Demo
+----
+
+A demonstration instance is available [here](https://iwla-demo.soutade.fr)
+
 Usage
 -----
 
@@ -19,7 +24,7 @@ Usage
     -f : Analyse this log file, multiple files can be specified    (comma separated). gz files are acceptedRead data from FILE instead of conf.analyzed_filename
     -d : Loglevel in ['DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL']
     -r : Reset analysis to a specific date (month/year)
-    -z : Don't compress databases (bigger but faster, not  compatible with compressed databases)
+    -z : Don't compress databases (bigger but faster, not compatible with compressed databases)
     -p : Only generate display
     -d : Dry run (don't write/update files to disk)
   
@@ -36,6 +41,8 @@ Main values to edit are :
   * **post_analysis_hooks** : List of post analysis hooks
   * **display_hooks** : List of display hooks
   * **locale** : Displayed locale (_en_ or _fr_)
+  * **feeds** : Address of your feeds files
+  * **count_hit_only_visitors** true/false (don't) count visitors that only do one hit (for a picture, ...)
 
 You can also append an element to an existing default configuration list by using "_append" suffix. Example :
   multimedia_files_append = ['xml']
@@ -82,7 +89,7 @@ Statistics are stored in dictionaries :
   * **month_stats** : Statistics of current analysed month
   * **valid_visitor** : A subset of month_stats without robots
   * **days_stats** : Statistics of current analysed day
-  * **visits** : All visitors with all of its requests
+  * **visits** : All visitors with all of its requests (only if 'keep_requests' is true or filtered)
   * **meta** : Final result of month statistics (by year)
 
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