new content for 0.7.0 release (#25)

* new content for 0.7.0 release

* shorter banner

* another banner change

markdown/docs/webhooks/overview.md

@@ -2,9 +2,11 @@
 
 jambonz uses JSON payloads that are exchanged in HTTP messages to control calls.  
 
-When an incoming call for your account is received, jambonz makes an HTTP request to a URL that you have configured and your response will contain a JSON body that indicates how you want the call handled.
+When an incoming call for your account is received, jambonz makes an HTTP request to a URL that you have configured and your webapp will then return a response containing a JSON body that indicates how you want the call handled.
 
-When you want to launch an outbound call it works similarly: you will make an HTTP request using the [REST API](/docs/api/rest) and in it you will specify a URL or application identifier that will be invoked once the call is answered.  Once again, your response to that HTTP request will contain a JSON body that indicates how you want the call handled.
+> You can develop your webapp using whatever language or framework you like, but the quickest way to scaffold up a webapp is by using our [Node.js framework](/docs/client-sdks/create-jambonz-app/.)
+
+If you want to generate an outbound call it works similarly: you will make an HTTP request using the [REST API](/docs/api/rest) and in it you will specify a URL or application identifier that will be invoked once the call is answered.  Once again, your response to that HTTP request will contain a JSON body that indicates how you want the call handled.
 
 Simple enough, right?
 

markdown/docs/webhooks/say.md

@@ -18,7 +18,7 @@ You can use the following options in the `say` action:
 | option        | description | required  |
 | ------------- |-------------| -----|
 | text | text to speak; may contain SSML tags | yes |
-| synthesizer.vendor | speech vendor to use: <br>- 'google', <br>- 'aws', <br>- 'microsoft' (coming in v0.6.7)| no |
+| synthesizer.vendor | speech vendor to use: <br>- 'google', <br>- 'aws', <br>- 'microsoft'| no |
 | synthesizer.language | language code to use.  | no |
 | synthesizer.gender | (Google only) MALE, FEMALE, or NEUTRAL.  | no |
 | synthesizer.voice | voice to use.  Note that the voice list differs whether you are using aws or Google. Defaults to application setting, if provided. | no |

markdown/docs/webhooks/sip-refer.md

@@ -1,5 +1,5 @@
 # sip:refer
-> Coming in v0.6.7
+> Added in v0.7.0
 
 The sip:refer action is used to blind transfer a call.  It will send a sip REFER to the far end carrier or sip phone, which must support the REFER in order for the transfer to work. After the sip:refer completes successfully, the call leg will have left the jambonz platform.