doc: update Ruby and Lua versions in user's guide

doc/de/weechat_user.de.asciidoc

@@ -139,10 +139,10 @@ zu kompilieren und welche Pakete optional genutzt werden können.
 | libperl-dev | | |
   Perl Erweiterung
 
-| ruby2.1-dev | ≥ 1.8 | |
+| ruby2.3-dev | ≥ 1.8 | |
   Ruby Erweiterung
 
-| liblua5.2-dev | | |
+| liblua5.3-dev | | |
   Lua Erweiterung
 
 | tcl-dev | ≥ 8.5 | |

doc/en/weechat_user.en.asciidoc

@@ -130,10 +130,10 @@ compile WeeChat.
 | libperl-dev | | |
   Perl plugin
 
-| ruby2.1-dev | ≥ 1.8 | |
+| ruby2.3-dev | ≥ 1.8 | |
   Ruby plugin
 
-| liblua5.2-dev | | |
+| liblua5.3-dev | | |
   Lua plugin
 
 | tcl-dev | ≥ 8.5 | |

doc/fr/weechat_user.fr.asciidoc

@@ -135,10 +135,10 @@ compiler WeeChat.
 | libperl-dev | | |
   Extension perl
 
-| ruby2.1-dev | ≥ 1.8 | |
+| ruby2.3-dev | ≥ 1.8 | |
   Extension ruby
 
-| liblua5.2-dev | | |
+| liblua5.3-dev | | |
   Extension lua
 
 | tcl-dev | ≥ 8.5 | |

doc/it/weechat_user.it.asciidoc

@@ -149,10 +149,10 @@ compilare WeeChat.
 | libperl-dev | | |
   Plugin perl
 
-| ruby2.1-dev | ≥ 1.8 | |
+| ruby2.3-dev | ≥ 1.8 | |
   Plugin ruby
 
-| liblua5.2-dev | | |
+| liblua5.3-dev | | |
   Plugin lua
 
 | tcl-dev | ≥ 8.5 | |

doc/ja/weechat_user.ja.asciidoc

@@ -134,10 +134,10 @@ OS X では、http://brew.sh/[Homebrew] を使ってください:
 | libperl-dev | | |
   perl プラグイン
 
-| ruby2.1-dev | 1.8 以上 | |
+| ruby2.3-dev | 1.8 以上 | |
   ruby プラグイン
 
-| liblua5.2-dev | | |
+| liblua5.3-dev | | |
   lua プラグイン
 
 | tcl-dev | 8.5 以上 | |

doc/pl/weechat_user.pl.asciidoc

@@ -135,10 +135,10 @@ WeeChat.
 | libperl-dev | | |
   Wtyczka perl
 
-| ruby2.1-dev | ≥ 1.8 | |
+| ruby2.3-dev | ≥ 1.8 | |
   Wtyczka ruby
 
-| liblua5.2-dev | | |
+| liblua5.3-dev | | |
   Wtyczka lua
 
 | tcl-dev | ≥ 8.5 | |