Pushed a new commit
**10/03/2015**- Interface additions
Started making the VRGripInterface more of an official thing
Added Events for "OnGrip", "OnGripRelease", "OnSecondaryGrip", "OnSecondaryGripRelease", "OnUsed" to VRGrip Interface
If the passed actor implements VRGripInterface than the various grip/drop/secondarygrip/drop functions will automatically call the appropriate grip/drop events.
OnUsed must be called manually.
Added an optional bIsAlreadyRelative boolean to the "AddSecondaryAttachment" function that will automatically convert the transform to relative if it is false.
Defaults to true currently so as to not break implementations already in place.