move draw to exp

R=r
DELTA=942  (471 added, 471 deleted, 0 changed)
OCL=35733
CL=35740

diff --git a/usr/rsc/draw/Makefile b/src/pkg/exp/draw/Makefile
similarity index 100%
rename from usr/rsc/draw/Makefile
rename to src/pkg/exp/draw/Makefile

diff --git a/usr/rsc/draw/arith.go b/src/pkg/exp/draw/arith.go
similarity index 100%
rename from usr/rsc/draw/arith.go
rename to src/pkg/exp/draw/arith.go

diff --git a/usr/rsc/draw/color.go b/src/pkg/exp/draw/color.go
similarity index 100%
rename from usr/rsc/draw/color.go
rename to src/pkg/exp/draw/color.go

diff --git a/usr/rsc/draw/draw.go b/src/pkg/exp/draw/draw.go
similarity index 100%
rename from usr/rsc/draw/draw.go
rename to src/pkg/exp/draw/draw.go

diff --git a/usr/rsc/draw/event.go b/src/pkg/exp/draw/event.go
similarity index 100%
rename from usr/rsc/draw/event.go
rename to src/pkg/exp/draw/event.go