reduce max lookup depth, and increase non-floodfill profile bonus
to attempt to reduce load on floodfills

As a result, event log will now show "shutdown" instead of "crashed".

Always use our pubkey to verify our family
Rework caching strategy

  - Change addCapabilities() to getCapabilities()
  - Add netdb family sign/verify utility (ticket #1510)
    (verify not yet used)
RouterInfo:
  - Remove addCapability() and delCapability()
StatPublisher:
  - Remove Service interface, not required
  - Consolidate getCapabilities() and network ID here
  - Add family signatures
  - Remove unused coreVersion and stat_uptime (as of 0.9.24)

            to branch 'i2p.i2p' (head 628a2c591ca44095e2f93acd026046d4512cf692)

Don't show negative times
Sybil tool: tweaks
TunnelRenderer: minor cleanup

which is a better place for it.

Add netdb stats output
Add avg. ff distance output
Increase penalty for proximity to our keys
Reduce number of RIs output

  - Change doubles to floats to save memory
  - Move fields to top
Sybil tool: Tweaks

Profiles:
  - Fix first heard about to be earliest, undeprecate
  - Fixup first heard about at profile readin
  - Persist good/bad lookup/store DBHistory stats added in 0.7.8
  - Remove unused DBHistory methods and fields to save memory
  - Change bonus longs to ints to save memory
  - Extend profile expiration time from 3 days to 15
  - Consolidate getLong()
  - Synch fixes
Sybil tool: Tweaks and enhancements

requires routerconsole.advanced=true

  - Don't map keys to upper case in parser, corrupts I2CP options
  - Register SSL and UDP ports with PortMapper

  - Consolidate default tunnel length definition
  - Increase max peers and uploaders per torrent
  - Increase default max total uploaders
  - Increase max peers sent and returned in DHT

to speed refilling and reduce pumper stalls
Reduces empties by 10x