combine unpacking code into g2unpack.F90 (#595)

* converted realloc.f to realloc.F90 and re-indented

* converting other files to F90

* converting other files to F90

* converting other files to F90

* converting other files to F90

* fixing cmake

* fixing cmake

* fixing cmake

* fixing cmake

* more F90 conversion

* more F90 conversion

* more F90 conversion

* combinging index code into one file

* combinging index code into one file

* more changes

* combined unpacking code into g2unpack.F90

src/CMakeLists.txt

@@ -8,14 +8,12 @@ set(fortran_src addfield.F90 addgrid.F90 addlocal.F90 cmplxpack.F90
 compack.F90 comunpack.F90 drstemplates.F90 g2_gbytesc.F90 g2grids.F90
 gb_info.F90 getdim.F90 getfield.F90 getgb2.F90 getgb2l.F90 getgb2p.F90
 getgb2r.F90 getgb2rp.F90 g2index.F90 getlocal.F90 getpoly.F90
-gettemplates.F90 gf_free.F90 gf_getfld.F90 gf_unpack1.F90
-gf_unpack2.F90 gf_unpack3.F90 gf_unpack4.F90 gf_unpack5.F90
-gf_unpack6.F90 gf_unpack7.F90 gribcreate.F90 gribend.F90 gribinfo.F90
-${CMAKE_CURRENT_BINARY_DIR}/gribmod.F90 gridtemplates.F90 intmath.F90
-jpcpack.F90 jpcunpack.F90 misspack.F90 mkieee.F90 pack_gp.f
-params_ecmwf.F90 params.F90 pdstemplates.F90 pngpack.F90 pngunpack.F90
-putgb2.F90 rdieee.F90 realloc.F90 reduce.f simpack.F90 simunpack.F90
-skgb.F90 specpack.F90 specunpack.F90)
+gettemplates.F90 gf_free.F90 gf_getfld.F90 g2unpack.F90 gribcreate.F90
+gribend.F90 gribinfo.F90 ${CMAKE_CURRENT_BINARY_DIR}/gribmod.F90
+gridtemplates.F90 intmath.F90 jpcpack.F90 jpcunpack.F90 misspack.F90
+mkieee.F90 pack_gp.f params_ecmwf.F90 params.F90 pdstemplates.F90
+pngpack.F90 pngunpack.F90 putgb2.F90 rdieee.F90 realloc.F90 reduce.f
+simpack.F90 simunpack.F90 skgb.F90 specpack.F90 specunpack.F90)
 
 # This function calls NCEPLIBS-w3emc.
 if (BUILD_WITH_W3EMC)