Some i18n
* Added 'Semantic annotations' and 'Lexical annotations' section
titles to the i18n file
* 'related to' now also translatable
* Removed 2 unused messages.

Change-Id: Ie084b16d1ac02178e69a9e73a556837037d70d98
Merge "Some i18n * Added 'Semantic annotations' and 'Lexical annotations' section titles to the i18n file * 'related to' now also translatable * Removed 2 unused messages."