gnatmain.adb: Initial version.

gnatmain.adb: Initial version.

	* gnatmain.adb: Initial version.

	* gnatmain.ads: Initial version.

	* prj-attr.adb (Initialisation_Data): Add package Gnatstub.

	* snames.adb: Updated to match snames.ads.

	* snames.ads: Added Gnatstub.

	* prj-attr.adb (Initialization_Data): Change name from
	Initialisation_Data.

	* g-regpat.adb (Parse_Literal): Properly handle simple operators ?,
	+ and * applied to backslashed expressions like \r.

	* g-os_lib.ads: String_List type added, Argument_List type is now
	subtype of String_List.

	* g-os_lib.ads: Change copyright to FSF
	Add comments for String_List type

	* g-dirope.adb (Expand_Path): Fix bug. (wrong length when adding a
	string to the buffer).

From-SVN: r47905