Revert "emove currantlabs/ble from windows"

This reverts commit 79ea43ca883493dc4b467cde2e37ddfcac3e3272.

I accidentally pushed this commit to the 1_1_0_dev branch.
diff --git a/newtmgr/bll/bll_common.go b/newtmgr/bll/bll_common.go
index 5455d58..93efd06 100644
--- a/newtmgr/bll/bll_common.go
+++ b/newtmgr/bll/bll_common.go
@@ -26,7 +26,7 @@
 	"time"
 
 	log "github.com/Sirupsen/logrus"
-	//"github.com/currantlabs/ble"
+	"github.com/currantlabs/ble"
 
 	"mynewt.apache.org/newtmgr/nmxact/bledefs"
 )