rewrite using Amon2::Lite

- depend to Amon2::Lite
- /chat_list: JSON data structure has changed
- add docs
- add error message: "Skype is not running"
Checking in changes prior to tagging of version 0.06.

Changelog diff is:

diff --git a/Changes b/Changes
index 9afbcc1..6c7cb0c 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,12 @@
 Revision history for Perl extension App::Tacochan

+0.06    Tue Feb 26 00:43:54 2013
+        - improve web interface
+        - depend to Amon2::Lite
+        - /chat_list: JSON data structure has changed
+        - add docs
+        - add error message: "Skype is not running"
+
 0.05    Tue Jan 22 23:39:47 2013
         - oops... You don't use 0.04! It doesn't work.