doc: update recent information on Fedora

doc/source/install/fedora.rst

@@ -11,28 +11,10 @@ Fedora. You can install them by ``yum``.
 Fedora 20
 ---------
 
-Since Fedora 19, MariaDB is the default implementation of MySQL.
+There is no packages for Fedora 20.
 
-So there are two selections for Mroonga. One is using with MariaDB, the other is using with MySQL (community-mysql).
+Fedora 21(Comming soon)
+-----------------------
 
-Install Mroonga for MySQL (community-mysql)::
-
-  % sudo rpm -ivh http://packages.groonga.org/fedora/groonga-release-1.1.0-1.noarch.rpm
-  % sudo yum makecache
-  % sudo yum install -y mysql-mroonga
-
-Install Mroonga for MariaDB::
-
-  % sudo rpm -ivh http://packages.groonga.org/fedora/groonga-release-1.1.0-1.noarch.rpm
-  % sudo yum makecache
-  % sudo yum install -y mariadb-mroonga
-
-.. note::
-
-   MariaDB and MySQL (community-mysql) package are exclusive. For example, if you want to use mysql-mroonga, you need to remove conflicted mariadb packages at first.
-
-If you want to use `MeCab <http://mecab.sourceforge.net/>`_ as a tokenizer, install groonga-tokenizer-mecab package.
-
-Install groonga-tokenizer-mecab package::
-
-  % sudo yum install -y groonga-tokenizer-mecab
+MariaDB 10.0.x is adopted on Fedora 21. As Mroonga is now bundled with MariaDB since 10.0.15,
+it will be shipped with MariaDB sooner or later.