[FAB-11042] Fix broken links in documents

This CR fixes some broken links in documents.

Change-Id: Ic1717aaabb191d0edc2b9b86f0d73329a5c02828
Signed-off-by: Yuki Kondo <yuki.kondo@hal.hitachi.com>

Author: yuki-kon

docs/source/Gerrit/changes.rst

@@ -95,7 +95,7 @@ If you see nothing wrong with your CR, it might be that the CI process
 simply failed for some reason unrelated to your change. In that case
 you may want to restart the CI process by posting a reply to your CR
 with the simple content "reverify". Check the `CI management page
-<https://github.com/hyperledger/ci-management/blob/master/docs/fabric_ci_process.md>`__
+<https://github.com/hyperledger/ci-management/blob/master/docs/source/fabric_ci_process.rst>`__
 for additional information and options on this.
 
 

docs/source/submit_cr.rst

@@ -215,7 +215,7 @@ If you see nothing wrong with your CR it might be that the CI process
 simply failed for some reason unrelated to your change. In that case
 you may want to restart the CI process by posting a reply to your CR
 with the simple content "reverify".  Check the `CI management page
-<https://github.com/hyperledger/ci-management/blob/master/docs/fabric_ci_process.md>`__
+<https://github.com/hyperledger/ci-management/blob/master/docs/source/fabric_ci_process.rst>`__
 for additional information and options on this.
 
 Modifying your change request

docs/source/understand_fabcar_network.rst

@@ -72,7 +72,7 @@ Query
 
 Queries are the simplest kind of invocation: a call and response.  The most common query
 will interrogate the state database for the current value associated
-with a key (``GetState``).  However, the `chaincode shim interface <https://github.com/hyperledger/fabric/blob/master/core/chaincode/shim/interfaces_stable.go>`__
+with a key (``GetState``).  However, the `chaincode shim interface <https://godoc.org/github.com/hyperledger/fabric/core/chaincode/shim#ChaincodeStub>`__
 also allows for different types of ``Get`` calls (e.g. ``GetHistoryForKey`` or ``GetCreator``).
 
 In our example, the peer holds a hash chain of all transactions and maintains

examples/e2e_cli/end-to-end.rst

@@ -150,7 +150,7 @@ Configuration Transaction Generator
 -----------------------------------
 
 The `configtxgen
-tool <https://github.com/hyperledger/fabric/blob/master/docs/source/configtxgen.rst>`__
+tool <https://github.com/hyperledger/fabric/blob/master/docs/source/configtx.rst>`__
 is used to create four artifacts: orderer **bootstrap block**, fabric
 **channel configuration transaction**, and two **anchor peer transactions** - one
 for each Peer Org.