1) Fixed spec w/ respect to result types. 2) Added proposal for making "if" statements consistent with the    other control structures.
1) Fixed spec w/ respect to result types.
2) Added proposal for making "if" statements consistent with the
   other control structures.

R=r
DELTA=59  (32 added, 6 deleted, 21 changed)
OCL=15583
CL=15964

wesolows/golang,ssrl/go,wesolows/golang-old,tv42/old-go,nightlyone/golang,nightlyone/golang,wesolows/golang-old,wesolows/golang,apparentlymart/golang,gnanderson/go,pombredanne/go-deleteme,dsriram/golang,gnanderson/go,nightlyone/golang,h8liu/golang,tv42/old-go,firebitsbr/golang-old,wesolows/golang-old,dsriram/golang,h8liu/golang,ssrl/go,bdwalton/debian-golang,gnanderson/go,tv42/old-go,dsriram/golang,nightlyone/golang,gnanderson/go,firebitsbr/golang-old,wesolows/golang,apparentlymart/golang,apparentlymart/golang,wesolows/golang-old,pombredanne/go-deleteme,tianon/debian-golang,pombredanne/go-deleteme,wesolows/golang,tv42/old-go,nightlyone/golang,tianon/debian-golang,apparentlymart/golang,wesolows/golang,apparentlymart/golang,firebitsbr/golang-old,firebitsbr/golang-old,wesolows/golang-old,dsriram/golang,nightlyone/golang,dsriram/golang,bdwalton/debian-golang,dsriram/golang,tv42/old-go,tianon/debian-golang,bdwalton/debian-golang,wesolows/golang,h8liu/golang,tianon/debian-golang,gnanderson/go,wesolows/golang,tv42/old-go,h8liu/golang,tianon/debian-golang,bdwalton/debian-golang,h8liu/golang,tv42/old-go,firebitsbr/golang-old,firebitsbr/golang-old,bdwalton/debian-golang,wesolows/golang-old,ssrl/go,apparentlymart/golang,gnanderson/go,h8liu/golang,apparentlymart/golang,tianon/debian-golang,firebitsbr/golang-old,gnanderson/go,ssrl/go,tianon/debian-golang,ssrl/go,bdwalton/debian-golang,dsriram/golang,pombredanne/go-deleteme,nightlyone/golang,wesolows/golang-old,bdwalton/debian-golang,bdwalton/debian-golang,pombredanne/go-deleteme,ssrl/go,firebitsbr/golang-old,ssrl/go,pombredanne/go-deleteme,h8liu/golang,tianon/debian-golang,pombredanne/go-deleteme