Update to the latest working build of ANTLR 4
Update project to include all files
Merge branch 'sharpen'
Convert recent changes to C#
Fix failure to create a copy of an array in Arrays.CopyOf
Remove unnecessary casts
Updated code generation templates to incorporate changes from the Java target
Map .NET Framework [4.5, 5.0) to target CSharp_v4_5
Case insensitive comparison in build task
Update to development version 4.4.1