migrate to go modules from vndr

Signed-off-by: Tariq Ibrahim <tariq181290@gmail.com>

vendor/github.com/ncw/swift/.gitignore

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+*~
+*.pyc
+test-env*
+junk/

vendor/github.com/ncw/swift/.travis.yml

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+language: go
+sudo: false
+
+go:
+  - 1.1.x
+  - 1.2.x
+  - 1.3.x
+  - 1.4.x
+  - 1.5.x
+  - 1.6.x
+  - 1.7.x
+  - 1.8.x
+  - 1.9.x
+  - 1.10.x
+  - 1.11.x
+  - master
+
+matrix:
+  include:
+  - go: 1.11.x
+    env: TEST_REAL_SERVER=rackspace
+  - go: 1.11.x
+    env: TEST_REAL_SERVER=memset
+  allow_failures:
+  - go: 1.11.x
+    env: TEST_REAL_SERVER=rackspace
+  - go: 1.11.x
+    env: TEST_REAL_SERVER=memset
+install: go test -i ./...
+script:
+  - test -z "$(go fmt ./...)"
+  - go test
+  - ./travis_realserver.sh

vendor/github.com/ncw/swift/notes.txt

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+Notes on Go Swift
+=================
+
+Make a builder style interface like the Google Go APIs?  Advantages
+are that it is easy to add named methods to the service object to do
+specific things.  Slightly less efficient.  Not sure about how to
+return extra stuff though - in an object?
+
+Make a container struct so these could be methods on it?
+
+Make noResponse check for 204?
+
+Make storage public so it can be extended easily?
+
+Rename to go-swift to match user agent string?
+
+Reconnect on auth error - 401 when token expires isn't tested
+
+Make more api compatible with python cloudfiles?
+
+Retry operations on timeout / network errors?
+- also 408 error
+- GET requests only?
+
+Make Connection thread safe - whenever it is changed take a write lock whenever it is read from a read lock
+
+Add extra headers field to Connection (for via etc)
+
+Make errors use an error heirachy then can catch them with a type assertion
+
+ Error(...)
+ ObjectCorrupted{ Error }
+
+Make a Debug flag in connection for logging stuff
+
+Object If-Match, If-None-Match, If-Modified-Since, If-Unmodified-Since etc
+
+Object range
+
+Object create, update with X-Delete-At or X-Delete-After
+
+Large object support
+- check uploads are less than 5GB in normal mode?
+
+Access control CORS?
+
+Swift client retries and backs off for all types of errors
+
+Implement net error interface?
+
+type Error interface {
+    error
+    Timeout() bool   // Is the error a timeout?
+    Temporary() bool // Is the error temporary?
+}

vendor/github.com/ncw/swift/travis_realserver.sh

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+#!/bin/bash
+set -e
+
+if [ "${TRAVIS_PULL_REQUEST}" = "true" ]; then
+    exit 0
+fi
+
+if [ "${TEST_REAL_SERVER}" = "rackspace" ] && [ ! -z "${RACKSPACE_APIKEY}" ]; then
+    echo "Running tests pointing to Rackspace"
+    export SWIFT_API_KEY=$RACKSPACE_APIKEY
+    export SWIFT_API_USER=$RACKSPACE_USER
+    export SWIFT_AUTH_URL=$RACKSPACE_AUTH
+    go test ./...
+fi
+
+if [ "${TEST_REAL_SERVER}" = "memset" ] && [ ! -z "${MEMSET_APIKEY}" ]; then
+    echo "Running tests pointing to Memset"
+    export SWIFT_API_KEY=$MEMSET_APIKEY
+    export SWIFT_API_USER=$MEMSET_USER
+    export SWIFT_AUTH_URL=$MEMSET_AUTH
+    go test
+fi