Merge pull request #221 in ORC/terraform-provider from changelog_2_1_8 to dev

Squashed commit of the following:

commit f924eebeb4d95a3e88bd49f481f0e4b42b73f5aa
Author: Brian Gustafson <[email protected]>
Date:   Thu May 10 15:42:20 2018 -0700

    Reference example in changelog

commit 0fba0039bfa4d57204e622bce057a99d760c111c
Author: Brian Gustafson <[email protected]>
Date:   Thu May 10 14:32:54 2018 -0700

    Changelog for 2.1.8

Author: briangustafson

CHANGELOG.md

@@ -3,6 +3,16 @@ All notable changes to this project are documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/).
 
+## 2.1.8 - 2018-05-10
+
+### Added
+- Added support for remote VCN peering. More details can be found [here](https://github.com/oracle/terraform-provider-oci/blob/master/docs/core/remote_peering_connections.md), and an example [here](https://github.com/oracle/terraform-provider-oci/blob/master/docs/examples/networking/remote_vcn_peering_full).
+- Added a data source for boot volumes. More details can be found [here](https://github.com/oracle/terraform-provider-oci/blob/master/docs/core/boot_volumes.md).
+
+### Fixed
+- Fixed a crash that can occur when using the `oci_identity_api_key` resource and editing the API key outside of Terraform.
+
+
 ## 2.1.7 - 2018-05-03
 
 ### Added

provider/core_boot_volume_test.go

@@ -68,7 +68,7 @@ func TestCoreBootVolumeResource_basic(t *testing.T) {
 						compartment_id = "${var.compartment_id}"
 
 					}
-                ` + compartmentIdVariableStr2 ,
+                ` + compartmentIdVariableStr2,
 				Check: resource.ComposeTestCheckFunc(
 					resource.TestCheckResourceAttr(datasourceName, "compartment_id", compartmentId2),