Adding permitcustomvariableitemsize setting.

• Integrating HUT1.6
• Adding support for CPP macro generation.

Including HUT1.5

• Additional validation of usages tag
• Support '_' character in generated names

• Additional validation of usageTransforms
• Set generated CPP report name
• CPP Variable modifier

• Generate CPP-structs when no packingInBytes specified.
• arrayItem with non-contiguous Usages.
• Descriptor optimizations
• Bug-fixes

1. Including HUT1.4

New Features

1. HUT 1.3 and read from HID-WG PDF
2. All DLLs embedded in WaratahCmd.exe (for xcopy install)
3. New auto-generated comments in CPP header
4. Validation against paddingItem only collections/reports

CppEnum generation bugfix

HidEngine bug fix