adding support for custom commands.
Merge pull request #1 from fabric-engine/manipulation_RemovingDependenceOnEvalContext

adding support for custom commands.
use the right exts path
Renaming ManipulationHandle > EventDispatcherHandle
Use rpath for Linux.
Include boost libs.
optimize code for rendercallback
Merge branch 'rivera' of github.com:fabric-engine/SpliceSoftimage into rivera
Remapping methods to call on the EventDispatcher instead of the EventDispatcherHandle
Merge branch 'rivera' of github.com:fabric-engine/SpliceSoftimage into rivera
fixed regressions in manipulation due to the use of inheritance.
#3191: detachable is never called
customCommandArgs are now an array
fixed regression in modifier keys.
#3025: adapt licensing for F50
Remove FABRIC_CAPI_DIR
Merge pull request #2 from fabric-engine/stage-reorg

Stage reorg
Merge branch 'rivera' of https://github.com/fabric-engine/SpliceSoftimage into rivera

# By phtaylor (5) and others
# Via Helge Mathee (2) and others
* 'rivera' of https://github.com/fabric-engine/SpliceSoftimage:
  Remove FABRIC_CAPI_DIR
  #3025: adapt licensing for F50
  fixed regression in modifier keys.
  customCommandArgs are now an array
  #3191: detachable is never called
  fixed regressions in manipulation due to the use of inheritance.
  Remapping methods to call on the EventDispatcher instead of the EventDispatcherHandle
  optimize code for rendercallback
  Include boost libs.
  Use rpath for Linux.
  Renaming ManipulationHandle > EventDispatcherHandle
  use the right exts path
  adding support for custom commands.