* Parameter

* Custom Parameter
* Dependency Parameter
* GainedParameter

Edited and Tested.
Now Parameter.SetDeviceValue(long) throws ArgumentException for invalid value.
Added MinMaxTest for prarameters in ParameterSet.
Added checking gain.
Corrected gain check
Corrected Gain:

If -1 entered, SlowGain's value should be used, not device value.
Description Test & refactoring test
Renamed Region1DTest => RegionTest
Edited test
ParameterSetTest
Merge branch 'DPP_Paraneter修正'
Deleted redundant methods.
Cosmetic changes in Xbrt.Presentation.
EasyTabPanel bugfix
Redesigning of Parameter Set
Renamed: RoiSet >> RoiBinding
Add CompositeDisposable
Rename SyncErrorOccuredEventArgs >> ExceptionEventArgs
Added CompositeDisposable to DppCache.
Add initialization of RoiBindings to DppCache