DS4 provider initial implementation complete

Merge pull request #3 from evilC/DS4WindowsApi

Ds4 windows api

DS4Windows buttons, Report fixes

DS4Windows Fixes
Adds support for buttons
Fixes reports for axes

Sub/Unsub for DS4Windows

v0.2.14

Fix HidSharp reference

HidSharp Fix

Fixes bad reference for HidSharp

DS4Windows POC

Adds POC for supporting DS4 controllers using code ripped from DS4Windows

Interception only filters subscribed devices

v0.2.10

Interception only filters subscribed devices

v0.2.9

Adds RefreshDevices() endpoint.
Fix DI crash on unplug.

v0.2.8

Fix crash on Dispose
Fix ViGeM DS4 axes

v0.2.7

Add new "Handler" classes for generic handling of polled input.
Migrate DI / XI providers to use these new classes.

v0.2.6

Move DI to DeviceInstance, refactor order code