Upgrade terraform to 0.12. Fix build script.

bin/build

@@ -13,4 +13,4 @@ bin_name='terraform-provider-conjur'
 goos='linux'  # uname -s | tr '[:upper:]' '[:lower:]'
 goarch="amd64"
 
-cp "dist/${goos}_${goarch}/${bin_name}" .  # for following test stages
+cp "dist/${bin_name}_${goos}_${goarch}/${bin_name}" .  # for following test stages

go.mod

@@ -1,46 +1,8 @@
 module github.com/cyberark/terraform-provider-conjur
 
 require (
-	github.com/apparentlymart/go-dump v0.0.0-20190214190832-042adf3cf4a0 // indirect
-	github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310 // indirect
-	github.com/aws/aws-sdk-go v1.15.11 // indirect
-	github.com/bgentry/speakeasy v0.1.0 // indirect
-	github.com/blang/semver v3.5.1+incompatible // indirect
 	github.com/cyberark/conjur-api-go v0.6.0
-	github.com/fatih/color v1.7.0 // indirect
-	github.com/go-ini/ini v1.38.1 // indirect
-	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b // indirect
-	github.com/hashicorp/errwrap v0.0.0-20180715044906-d6c0cd880357 // indirect
-	github.com/hashicorp/go-getter v0.0.0-20180809191950-4bda8fa99001 // indirect
-	github.com/hashicorp/go-hclog v0.0.0-20180709165350-ff2cf002a8dd // indirect
-	github.com/hashicorp/go-multierror v0.0.0-20180717150148-3d5d8f294aa0 // indirect
-	github.com/hashicorp/go-plugin v0.0.0-20180331002553-e8d22c780116 // indirect
 	github.com/hashicorp/hcl v0.0.0-20180404174102-ef8a98b0bbce // indirect
-	github.com/hashicorp/hcl2 v0.0.0-20180813012314-c79a9bd509c8 // indirect
-	github.com/hashicorp/logutils v1.0.0 // indirect
-	github.com/hashicorp/terraform v0.11.12
-	github.com/hashicorp/yamux v0.0.0-20180604194846-3520598351bb // indirect
-	github.com/kr/pretty v0.1.0 // indirect
-	github.com/mattn/go-colorable v0.0.9 // indirect
-	github.com/mattn/go-isatty v0.0.3 // indirect
-	github.com/mitchellh/cli v0.0.0-20180414170447-c48282d14eba // indirect
-	github.com/mitchellh/go-homedir v0.0.0-20180801233206-58046073cbff // indirect
-	github.com/mitchellh/go-testing-interface v0.0.0-20171004221916-a61a99592b77 // indirect
-	github.com/mitchellh/hashstructure v0.0.0-20170609045927-2bca23e0e452 // indirect
-	github.com/mitchellh/mapstructure v0.0.0-20180715050151-f15292f7a699 // indirect
-	github.com/onsi/ginkgo v1.8.0 // indirect
-	github.com/onsi/gomega v1.4.3 // indirect
-	github.com/posener/complete v1.1.1 // indirect
-	github.com/sirupsen/logrus v1.0.6 // indirect
+	github.com/hashicorp/terraform v0.12.0
 	github.com/smartystreets/goconvey v0.0.0-20190306220146-200a235640ff // indirect
-	github.com/zclconf/go-cty v0.0.0-20180718220526-02bd58e97b57 // indirect
-	golang.org/x/crypto v0.0.0-20180808211826-de0752318171 // indirect
-	golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6 // indirect
-	google.golang.org/genproto v0.0.0-20180808183934-383e8b2c3b9e // indirect
-	google.golang.org/grpc v1.14.0 // indirect
-	gopkg.in/airbrake/gobrake.v2 v2.0.9 // indirect
-	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
-	gopkg.in/gemnasium/logrus-airbrake-hook.v2 v2.1.2 // indirect
-	gopkg.in/ini.v1 v1.42.0 // indirect
-	gopkg.in/yaml.v1 v1.0.0-20140924161607-9f9df34309c0 // indirect
 )