add submodule and fix some bugs.

 - bugfix: fatal on twitter_configure when invalid consumer key is given.
 - utig.pl: add sub command 'configure' and 'run'
    - configure: update and verify consumer key that utig.pl uses.
    - run: run utig.pl(irc gateway server)
 - update documents
    - SYNOPSIS and INSTALLATION are update to v1.0.1
 - update cpanfile
Checking in changes prior to tagging of version v1.0.1.

Changelog diff is:

diff --git a/Changes b/Changes
index 45dc393..6cfcf3a 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,21 @@ Revision history for utig.pl

 {{$NEXT}}

+v1.0.1 2013-12-29T21:05:29Z
+
+    - bugfix: fatal on twitter_configure when invalid consumer key is given.
+
+    - utig.pl: add sub command 'configure' and 'run'
+
+        - configure: update and verify consumer key that utig.pl uses.
+        - run: run utig.pl(irc gateway server)
+
+    - update documents
+
+    - SYNOPSIS and INSTALLATION are update to v1.0.1
+
+    - update cpanfile
+
 v1.0.0 2013-12-28T23:44:11Z

     - version 1.0.0