Update change log to include new changes into 0.3.0 release. (#359)

- Removed the date next to the version as it requires additional commit when we need to release the newer versions at different date than the one mentioned in the changelog.md.

Author: bmanikm

CHANGELOG.md

@@ -1,6 +1,17 @@
 # Changelog
 
-## v0.3.0 - 2017-09-29
+## v0.3.0
+- Generate single Verb-Noun cmdlet for OperationIds like Noun_Verb and Noun_VerbBySomething (#358)
+- Move New-HttpClientHandler logic into New-ServiceClient for non-Azure services. (#357)
+- Add few verb mappings for Azure RPs (#356)
+- Add NoVersionFolder switch parameter on New-PSSwaggerModule cmdlet to not create the version folder. (#355)
+- Add all non-complex type properties in output format ps1xml files. (#354)
+- Escape '<#' and '#>', and replace '--' with '==' in Header content (#352)
+- Use separate PSCmdletOutputItemType variable for getting the output item type of pageable swagger operations. (#351)
+- Verb map change: 'Regenerate' to 'New' instead of 'Update' as per the feedback recieved from Azure PowerShell team. (#347)
+- [Azure and AzureStack] Use IClientFactory to create ARM Client in Azure PowerShell way. (#348)
+- New-ServiceClient error on custom host (#350)
+- Add CHANGELOG.md, and minor update for releasing the 0.3.0 version of PSSwagger and PSSwaggerUtility modules. (#345)
 - Add support for generating proper output type for the Swagger operations with x-ms-pageable extension (#342)
 - Add support for parameter type references to enum definitions (#341)
 - Add support for AdditionalProperties Json schema with array type (#339)
@@ -21,7 +32,7 @@
 - Update Readme and fix an error related to importing the PSSwaggerUtility module (#300)
 - Support custom x-ms-pageable\NextLinkName field name (#294)
 
-## v0.2.0 - 2017-08-15
+## v0.2.0
 
 * First preview release