core: use one line titles in AUTHORS/INSTALL/README

AUTHORS

@@ -1,20 +1,15 @@
-WeeChat Authors
-===============
+= WeeChat Authors
+Sébastien Helleu <flashcode@flashtux.org>
 
-Developers
-----------
 
-* General code
+== Developers
 
+* General code
 ** Sébastien Helleu (FlashCode) <flashcode@flashtux.org>
-
 * Scripts plugins, debian packager
-
 ** Emmanuel Bouthenot (kolter) <kolter@openics.org>
 
-
-Contributors
-------------
+== Contributors
 
 Alphabetically:
 
@@ -61,9 +56,7 @@ Alphabetically:
 * Stefano Pigozzi
 * voroskoi
 
-
-Contact
--------
+== Contact
 
 Developers are connected to IRC:
 

INSTALL

@@ -1,5 +1,6 @@
-WeeChat Installation instructions
-=================================
+= WeeChat Installation instructions
+Sébastien Helleu <flashcode@flashtux.org>
+
 
 WeeChat can be built with cmake (recommended) or autotools.
 
@@ -8,9 +9,7 @@ Only cmake is officially supported to build WeeChat. You should use autotools
 only if you are not able to use cmake. +
 Build with autotools requires more dependencies and is slower than with cmake.
 
-
-Dependencies
-------------
+== Dependencies
 
 Following packages are *required*:
 
@@ -32,17 +31,15 @@ Following packages are all optional:
 For a complete list of dependencies and versions recommended, please look at
 'User's guide'.
 
+== Installation With cmake
 
-Installation With cmake
------------------------
-
-------------------------------------------------------------------
-mkdir build
-cd build
-cmake .. -DPREFIX=/where/you/want/install -DCMAKE_BUILD_TYPE=Debug
-make
-make install     (as root for installation in system directories)
-------------------------------------------------------------------
+----
+$ mkdir build
+$ cd build
+$ cmake .. -DPREFIX=/path/to/directory
+$ make
+$ make install     (as root for installation in system directories)
+----
 
 For more information or installation with autotools, please look at
 'User's guide': http://weechat.org/doc

README

@@ -1,5 +1,5 @@
-WeeChat Readme
-==============
+= WeeChat Readme
+Sébastien Helleu <flashcode@flashtux.org>
 
 
 WeeChat (Wee Enhanced Environment for Chat) is a fast and light chat
@@ -7,8 +7,7 @@ environment for many operating systems. Everything can be done with a keyboard.
 It is customizable and extensible with scripts.
 
 
-Features
---------
+== Features
 
 * chat client with multi-protocols/servers connection
 * small, fast and very light
@@ -18,9 +17,7 @@ Features
 * multi-platform (GNU/Linux, *BSD, Mac OS X, QNX, Windows & other)
 * free software, released under GPLv3
 
-
-Copyright
----------
+== Copyright
 
 Copyright (C) 2003-2013 Sébastien Helleu <flashcode@flashtux.org>