add v4 script

created by me, public domain

- Add options to block by referer and user-agent
- Increase size of access list field in form
- Log blocked destinations in b32, not b64
- Strip X-Runtime header
Streaming;
- Log blocked destinations in b32, not b64

Approved at Feb. 2 meeting
Icon license: public domain

Fix arraycopy argument order in unused SocksHeader
Add deleted reseed cert to deletelist.txt
Fix minimum version for SSU extended options

Clean up text on the conflict page for readability.

To change back to b64, add the following to the RequestLogImpl
section of jetty.xml:
    <Set name="b64">true</Set>

omits SAM, BOB, reflection, commented-out code, and a few other places