Added EDG version 4.8, patched with ROSE specific modification.
Merge branch 'dquinlan/dq-edg4x-rc' of rosecompiler1.llnl.gov:rose/edg4x/rose into HEAD

Conflicts:
	src/frontend/CxxFrontend/EDG
Added EDG 4.8 support including support for EDG 4.8 using GNU 4.7 and GNU 4.8.
Added EDG 4.8 specific test codes.
Added EDG 4.8 128-bit integer support.
Merges Dan's work on EDG 4.7 and 4.8

Conflicts:
	src/frontend/CxxFrontend/EDG
	tests/input_codes/cxx/Makefile_variables
Merged EDG 4.7 to ROSE (recent) changes in EDG 4.8 to ROSE.
Merge branch 'dquinlan/dq-edg4x-rc' of rosecompiler1.llnl.gov:rose/edg4x/rose into HEAD

Conflicts:
	src/frontend/CxxFrontend/EDG
Merge branch 'dquinlan/dq-edg4x-rc' of rosecompiler1.llnl.gov:rose/edg4x/rose into HEAD

Conflicts:
	src/frontend/CxxFrontend/EDG
Merged EDG 4.7 and 4.8
Merge branch 'master' of rosecompiler1.llnl.gov:rose/edg4x/rose into HEAD
Fixed EDG version 4.8 support to work with gnu 4.4 and gnu 4.8 compilers (this version unifies edgRose connection so that we no longer have seperate directories for each version of EDG).
Fixed EDG version 4.8 CMake support.
Fixed output spew causing HPCToolKit to fail.
Added EDG 4.9
Merge branch 'dquinlan/tristan-edg48-rc' of rosecompiler1.llnl.gov:rose/edg4x/rose into dquinlan/tristan-edg48-rc

Conflicts:
	src/frontend/CxxFrontend/EDG
Added EDG's misc directory to the the migration process (and patched misc/detarg.c)
Guarded ROSE specific modification of EDG with ROSE_MISC.
Fixed EDG 4.9, EDG 4.8, and EDG 4.7 use.
Resolved conflict.