move joinmarketd to scripts, update instructions

README.md

@@ -14,19 +14,26 @@ Next, you can install in 3 different modes:
 
     `python setup.py --backend install`
 
- Then, you can run the daemon with `python joinmarketd.py <port number>`
+ Then, you can run the daemon with `cd scripts; python joinmarketd.py <port number>`
  
 2. For the client code, using joinmarket's own bitcoin library on the command line:
  
     `python setup.py --client-bitcoin install`
 
- Then, once the daemon is up, you can run sendpayment (e.g. against regtest) with
- exactly the same parameters as for normal Joinmarket, refer to the main joinmarket
- repo for details, with one addition: use the flag `-p` to specify the daemon port.
+ Then, once the daemon is up, you can run sendpayment (e.g. against regtest):
+
+     `cd scripts; python sendpayment.py -p <port number> <other params> ..` 
+ 
+ with similar parameters as for normal Joinmarket, see the notes at the top of the file.
+ This is currently only for testing, but is nearly in a real-world usable state, and is
+ working OK on regtest.
 
 3. For the client code, using another bitcoin backend library (currently only Electrum
 supported, see https://github.com/AdamISZ/electrum-joinmarket-plugin for details):
 
     `python setup.py --client-only install`
 
- You can then access the library via `import jmclient`.
+ You can then access the library via `import jmclient`. In particular the
+ jmclient.Taker class must be instantiated.
+
+Test instructions and test scripts: todo.