Fix a bug when an index was moved before allocating a buffer of Ada.Streams.Stream_IO
Use _exit imported in the translated header
Reformat
Add new implementation unit System.Formatting.Address_Image and use it
Change casing parameters of Ada.Formatting to be consistent with Ada.Text_IO
Fix Ada.Processes handling return value of posix_spawn
Reorder (and remark)
Merge branch 'master' (gcc-4.7, commit 'e3d339a') into gcc-4.6

Conflicts:
	source/s-unwrai.adb