cmds/pin: fix pin imports

* Name them. Unfortunately, This makes the *actual* package names clear. I know
  this isn't "idiomatic go" but it's idiomatic go-ipfs.
* Remove the duplicate import.

License: MIT
Signed-off-by: Steven Allen <steven@stebalien.com>

core/commands/pin.go

@@ -7,22 +7,21 @@ import (
 	"os"
 	"time"
 
-	"github.com/ipfs/go-ipfs/core"
-	"github.com/ipfs/go-ipfs/core/commands/cmdenv"
-	"github.com/ipfs/go-ipfs/core/commands/e"
-	"github.com/ipfs/go-ipfs/core/coreapi/interface"
+	core "github.com/ipfs/go-ipfs/core"
+	cmdenv "github.com/ipfs/go-ipfs/core/commands/cmdenv"
+	e "github.com/ipfs/go-ipfs/core/commands/e"
 	coreiface "github.com/ipfs/go-ipfs/core/coreapi/interface"
-	"github.com/ipfs/go-ipfs/core/coreapi/interface/options"
-	"github.com/ipfs/go-ipfs/pin"
+	options "github.com/ipfs/go-ipfs/core/coreapi/interface/options"
+	pin "github.com/ipfs/go-ipfs/pin"
 
-	"gx/ipfs/QmR8BauakNcBa3RbE4nbQu76PDiJgoQgz8AJdhJuiU4TAw/go-cid"
+	cid "gx/ipfs/QmR8BauakNcBa3RbE4nbQu76PDiJgoQgz8AJdhJuiU4TAw/go-cid"
 	bserv "gx/ipfs/QmVKQHuzni68SWByzJgBUCwHvvr4TWiXfutNWWwpZpp4rE/go-blockservice"
-	"gx/ipfs/QmWGm4AbZEbnmdgVTza52MSNpEmBdFVqzmAysRbjrRyGbH/go-ipfs-cmds"
-	"gx/ipfs/QmYMQuypUbgsdNHmuCBSUJV6wdQVsBHRivNAp3efHJwZJD/go-verifcid"
-	"gx/ipfs/QmYZwey1thDTynSrvd6qQkX24UpTka6TFhQ2v569UpoqxD/go-ipfs-exchange-offline"
+	cmds "gx/ipfs/QmWGm4AbZEbnmdgVTza52MSNpEmBdFVqzmAysRbjrRyGbH/go-ipfs-cmds"
+	verifcid "gx/ipfs/QmYMQuypUbgsdNHmuCBSUJV6wdQVsBHRivNAp3efHJwZJD/go-verifcid"
+	offline "gx/ipfs/QmYZwey1thDTynSrvd6qQkX24UpTka6TFhQ2v569UpoqxD/go-ipfs-exchange-offline"
 	dag "gx/ipfs/Qmb2UEG2TAeVrEJSjqsZF7Y2he7wRDkrdt6c3bECxwZf4k/go-merkledag"
-	"gx/ipfs/QmdPQx9fvN5ExVwMhRmh7YpCQJzJrFhd1AjVBwJmRMFJeX/go-cidutil/cidenc"
-	"gx/ipfs/Qmde5VP1qUkyQXKCfmEUA7bP64V2HAptbJ7phuPp7jXWwg/go-ipfs-cmdkit"
+	cidenc "gx/ipfs/QmdPQx9fvN5ExVwMhRmh7YpCQJzJrFhd1AjVBwJmRMFJeX/go-cidutil/cidenc"
+	cmdkit "gx/ipfs/Qmde5VP1qUkyQXKCfmEUA7bP64V2HAptbJ7phuPp7jXWwg/go-ipfs-cmdkit"
 )
 
 var PinCmd = &cmds.Command{
@@ -418,12 +417,12 @@ new pin and removing the old one.
 
 		unpin, _ := req.Options[pinUnpinOptionName].(bool)
 
-		from, err := iface.ParsePath(req.Arguments[0])
+		from, err := coreiface.ParsePath(req.Arguments[0])
 		if err != nil {
 			return err
 		}
 
-		to, err := iface.ParsePath(req.Arguments[1])
+		to, err := coreiface.ParsePath(req.Arguments[1])
 		if err != nil {
 			return err
 		}
@@ -505,7 +504,7 @@ type RefKeyList struct {
 	Keys map[string]RefKeyObject
 }
 
-func pinLsKeys(ctx context.Context, args []string, typeStr string, n *core.IpfsNode, api iface.CoreAPI) (map[cid.Cid]RefKeyObject, error) {
+func pinLsKeys(ctx context.Context, args []string, typeStr string, n *core.IpfsNode, api coreiface.CoreAPI) (map[cid.Cid]RefKeyObject, error) {
 
 	mode, ok := pin.StringToMode(typeStr)
 	if !ok {
@@ -515,7 +514,7 @@ func pinLsKeys(ctx context.Context, args []string, typeStr string, n *core.IpfsN
 	keys := make(map[cid.Cid]RefKeyObject)
 
 	for _, p := range args {
-		pth, err := iface.ParsePath(p)
+		pth, err := coreiface.ParsePath(p)
 		if err != nil {
 			return nil, err
 		}