Added check for duplicate speaker definitions.
Added title, url and description properties to hak assembly files.
Updated Execution Environment to Java 8
SyncNss
Bugfix: resolved character escape sequences in JrlCompiler
MdlParser
Bugfix: corrected handling of player to speaker edges, improved exception handling
Bugfix: improved error handling for speaker strings
Bugfix: corrected handling of empty snippets with autoJoin
Bugfix: corrected handling of player to player edges, improved exception handling