made changes to work with HL Fabric v1.3.0

[nekia]

Describe the bug
Fail to build the executable binary 'ledgerfsck '

To Reproduce
Steps to reproduce the behavior:

1. Setup a build environment for HL Fabric v1.3.0
2. Clone ledgerfsck repository underneath fabric directory
   (ex. ~/go/src/github.com/hyperledger/fabric/ledgerfsck )
3. Under 'ledgerfsck' directory, build ledgerfsck binary with the command below

$ go build -o ledgerfsck main.go 
# command-line-arguments
./main.go:101:23: cannot use "github.com/hyperledger/fabric/core/peer".ConfigTxProcessors (type customtx.Processors) as type *ledgermgmt.Initializer in argument to ledgermgmt.Initialize

Expected behavior
Succeed to build the executable binary 'ledgerfsck'.

Desktop (please complete the following information):

• OS: Ubuntu 16.04.1 LTS
• golang: go1.10.4 linux/amd64
• HL Fabric source: ab0a67ad7102f1281736e2c309e9a0ef91b08fd9 (tag: v1.3.0)