Moved tango plugin documentation from applications/tango/python to here

doc/tango.rst

+Simulator Tango device
+======================
+
+This is the reference documentation of the Simulator Tango device.
+
+you can also find some useful information about the camera models/prerequisite/installation/configuration/compilation in the :ref:`Simulator camera plugin <camera-simulator>` section.
+
+Properties
+----------
+
+=============== =============== =============== =========================================================================
+Property name	Mandatory	Default value	Description
+=============== =============== =============== =========================================================================
+peaks		No		N/A		A gauss peak list [x0,y0,w0,A0,x1,y1,w1,A1...]	
+peak_angles	No		N/A		The base rotation angle for each peak
+fill_type	No		Gauss		The image fill type:  Gauss or Diffraction	
+rotation_axis	No		rotationy	Peak move policy: STATIC, ROTATIONX, ROTATIONY	
+=============== =============== =============== =========================================================================
+
+
+Attributes
+----------
+======================= ======= ======================= ======================================================================
+Attribute name		RW	Type			Description
+======================= ======= ======================= ======================================================================
+peaks			rw	Spectrum,DevDouble      The gauss peak list [x0,y0,w0,A0,x1,y1,w1,A1...]	
+peak_angles		rw	Spectrum,DevDouble	The base rotation angle for each peak
+grow_factor		rw	DevDouble		The Grow factor for gauss peaks	
+fill_type		rw	DevString		The image fill type:  Gauss or Diffraction
+rotation_axis		rw	DevString	 	The rotation axis policy: Static, RotationX or RotationY	
+diffraction_pos		rw	Spectrum,DevDouble	The source diplacement position: x and y	
+diffraction_speed	rw	Spectrum,DevDouble	The source diplacement speed: sx and sy	
+rotation_angle  	rw	DevDouble	 	The peak rotation angle in deg
+rotation_speed  	rw	DevDouble	 	The peak rotation speed in deg/frame 
+======================= ======= ======================= ======================================================================
+
+Commands
+--------
+
+=======================	=============== =======================	===========================================
+Command name		Arg. in		Arg. out		Description
+=======================	=============== =======================	===========================================
+Init			DevVoid 	DevVoid			Do not use
+State			DevVoid		DevLong			Return the device state
+Status			DevVoid		DevString		Return the device state as a string
+getAttrStringValueList	DevString:	DevVarStringArray:	Return the authorized string value list for
+			Attribute name	String value list	a given attribute name
+=======================	=============== =======================	===========================================