Revert "stop using bin/go and bin/env"

This reverts commit 42bb42d.

.travis.yml

@@ -7,6 +7,6 @@ install: go get -d -v ./src/github.com/...
 
 script:
   - gem install nats
-  - go version
-  - go env
+  - bin/go version
+  - bin/go env
   - bin/test

bin/env

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+pushd $(dirname $0)/.. > /dev/null
+base=$PWD
+popd > /dev/null
+
+exec env GOPATH=$base $@

bin/go

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+exec $(dirname $0)/env go $@

bin/test

@@ -10,7 +10,7 @@ echo --- Installing
 for p in $(packages)
 do
   echo $p
-  go test -i $p
+  bin/go test -i $p
 done
 
 echo --- Testing
@@ -21,9 +21,9 @@ do
 
     if grep -q launchpad.net/gocheck src/$p/*.go
     then
-      go test $p -test.v=true -gocheck.v=true $*
+      bin/go test $p -test.v=true -gocheck.v=true $*
     else
-      go test $p -test.v=true $*
+      bin/go test $p -test.v=true $*
     fi
   fi
 done