mnemonics: new Esperanto word list

Word list authored by: Engelberg, ProkhorZ
Sources:
  Baza Radikaro Oficiala
  Reta Vortaro (http://www.reta-vortaro.de/revo/)
  Esperanto Panorama - Esperanto-English Dictionary (http://www.esperanto-panorama.net/vortaro/eoen.htm)
  ESPDIC - Paul Denisowski (http://www.denisowski.org/Esperanto/ESPDIC/espdic.txt)

tests/unit_tests/mnemonics.cpp

@@ -44,6 +44,7 @@
 #include "mnemonics/russian.h"
 #include "mnemonics/french.h"
 #include "mnemonics/dutch.h"
+#include "mnemonics/esperanto.h"
 #include "mnemonics/english_old.h"
 #include "mnemonics/language_base.h"
 #include "mnemonics/singleton.h"
@@ -165,7 +166,8 @@ TEST(mnemonics, all_languages)
     Language::Singleton<Language::Italian>::instance(),
     Language::Singleton<Language::Russian>::instance(),
     Language::Singleton<Language::French>::instance(),
-    Language::Singleton<Language::Dutch>::instance()
+    Language::Singleton<Language::Dutch>::instance(),
+    Language::Singleton<Language::Esperanto>::instance()
   });
 
   for (std::vector<Language::Base*>::iterator it = languages.begin(); it != languages.end(); it++)