char encoding, remove FileReader/FileWriter
Fix TunnelConfig bug

Mostly char encoding
Use StringWriter rather than OSW->BAOS->String

- Fix NPE (#1615, h/t kytv)
- Fix start/stop status resumption on restart (#766, h/t backup)

sender queue, not on the way out, so that SSU requests
bandwidth allocations for each packet in parallel
and competes more effectively with NTCP for bandwidth.
Inbound stubbed-out only.

  so I/O doesn't stall under high CPU load
- Raise DH generator thread priority to keep
  DH building out of event pumper thread
- Raise PRNG and YK generator thread priorites one notch
- Set I2PThread priority in constructor
Fixes problems mainly seen on Windows, which seems
to be much more sensitive to priority settings

     and 'e0773d79a9bc8820024206f39686541ddb393c4a'

Don't skip further bandwidth allocations for SSU, since
it needs the entire allocation to proceed.
Log tweaks
More synchronization of requests

Prevent double-save for now and auto start all torrents if autostart is already set (don't make the user restart each one).

Jetty starter: Register host/port when started
PortMapper: Add hostname support

for bandwidth limiter, root cause unknown

log tweaks

raise class L/M boundary to match so defaulted routers are still L

St. Maarten, South Sudan
AP: black flag copied from A1
BL: official flag is France, copied from FR
BQ, SX, SS: PNG files generated from public domain SVG files from Wikipedia
Shortened some other country names (remove "Republic of", etc.)
Change spelling to Macau, Vietnam

NetDB: Partially revert last NetDB change: flood because we don't want to create a hole in the DHT before publisher resends to somebody else.

Rewrite addLang() for efficiency

new package net.i2p.client.impl, leaving only the
factories and interfaces in net.i2p.client

at least one OB tunnel, so the client waits until we are ready.
This will reduce drops, retransmissions, and failures on new client tunnels.
Fixes to prevent multiple pending LS requests.