Add fastmath.adc
Change comparison operators of Ada.Numerics.Generic_Complex_Types.Imaginary to be intrinsic
Move parts of time arithmetic from implementation unit Ada.Calendar.Inside to Ada.Calendar.Formatting, and use 'Fixed_Value and 'Integer_Value instead of Ada.Unchecked_Conversion
Fix Ada.Calendar.Formatting.Image and Value for elapsed time to handle a minus value
Implement units in calendar directory for Linux
Fix small errata of sign of implementation unit System.Native_Time
Improve type conversions of Ada.Calendar
Implement units in calendar directory for Windows
Merge branch 'master' (gcc-4.7, commit 'd7d4511') into gcc-4.6

Conflicts:
	examples/makefile