Update Release:finish documentation with options object

Author: implausible

docs/Release.md

@@ -38,6 +38,16 @@ Finishes a git flow "release"
 | releaseVersion | <code>String</code> | The name of the release to finish |
 | options | <code>Object</code> | Options for finish release |
 
+**Options**:
+
+| Option | Type | Description |
+| --- | --- | --- |
+| keepBranch | Boolean | Keep the branch after merge |
+| message | String | Tag will be created with this message |
+| processMergeMessageCallback | Function | Callback that is fired before merge occurs. If the callback returns a Promise, the **processMergeMessageCallback** promise must succeed before the merge occurs. The result of the **processMergeMessageCallback** must be a string or a promise that resolves to a string, as that message will be used for the merge message. the **processMergeMessageCallback** will be called with the generated merge message as a parameter. |
+| postDevelopMergeCallback | Function | Callback fired after a successful merge with development occurs. |
+| postMasterMergeCallback | Function | Callback fired after a successful merge with master occurs. |
+
 <a name="Release.startRelease"></a>
 ### Release.startRelease(repo, releaseVersion, options) ⇒ <code>Branch</code>
 Starts a git flow "release"
@@ -66,3 +76,12 @@ Finishes a git flow "release"
 | releaseVersion | <code>String</code> | The name of the release to finish |
 | options | <code>Object</code> | Options for finish release |
 
+**Options**:
+
+| Option | Type | Description |
+| --- | --- | --- |
+| keepBranch | Boolean | Keep the branch after merge |
+| message | String | Tag will be created with this message |
+| processMergeMessageCallback | Function | Callback that is fired before merge occurs. If the callback returns a Promise, the **processMergeMessageCallback** promise must succeed before the merge occurs. The result of the **processMergeMessageCallback** must be a string or a promise that resolves to a string, as that message will be used for the merge message. the **processMergeMessageCallback** will be called with the generated merge message as a parameter. |
+| postDevelopMergeCallback | Function | Callback fired after a successful merge with development occurs. |
+| postMasterMergeCallback | Function | Callback fired after a successful merge with master occurs. |