sem_prag.adb (Analyze_Depends_In_Decl_Part): Rename Outputs_Seen to All_Outputs_Seen and update all occurrences of the variable.

2013-10-14  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_prag.adb (Analyze_Depends_In_Decl_Part):
	Rename Outputs_Seen to All_Outputs_Seen and update all occurrences
	of the variable.
	(Analyze_Input_Output): Add an item to
	All_Inputs_Seen when it is an input or a self-referential output.
	(Check_Mode): Comment reformatting.
	(Analyze_Abstract_State): Remove the restriction that an Export state
	must also have mode Input_Only or Output_Only.

From-SVN: r203547