Update checklist to specify bootclasspath, so these are caught in the future
bump -16-rc

This will probably also reduce builds at startup.
Limits may require tweaks after further testing.

Javadoc fixes
Log tweaks

Kill handlers at shutdown

- Set cache size based on connection limit
- Track average inbound cache eviction time
- Set inbound expiration based on cache time
- Reduce max inbound expiration
- Fix saving inbound token sent after relay response or hole punch
- Dont send or save tokens if we are symmetric natted
- Sort persisted tokens by expiration so they are expired in correct order on reload
- Periodically expire tokens from cache
- Add getters to Token class
- Add missing case IPV4_SNAT_IPV6_UNKNOWN to EnumSets

log tweaks

Wasn't passing through user and realname fields
Pass through RFC 2812 mode field if present
reported by RN

Don't hexdump for RI errors
Don't throw ISE when sending 2nd retry

and drop packets received on them, to prevent SSU1 fallback processing

Requires re-saving user/pw on proxy side

test code that was off by default was previously checked in

reported, fixed, and tested by zlatinb

by doing form processing even if book is empty.
Do all form processing before displays so the
displays reflect any form add/delete.
Broken in 0.9.50 when form processing call was moved.
Hide replace and add alternate buttons if book is empty.
Ref: https://www.reddit.com/r/i2p/comments/wu7nac/how_do_i_add_to_the_private_address_book/

by processing DSM inline in InNetMessagePool.
Caused random lookup failures of RI and LS.
Made worse by previous change removing duplicate store from reply job.
thanks obscuratus and drzed

Use a single ack timer for each session rather than
creating a new one for every ack
Log tweaks

mark session dead after receiving destroy
log tweaks

(more prep for connection migration)

Use minimum MTU for IPv6 session confirmed to avoid PMTU issues
Set default MTU for known IPv6 tunnel brokers
Check for s mismatch in session confirmed RI
Don't put DateTime block after Termination block
Fix first message failed check
Log sent data packet size
Log tweaks

was treating them as acks

not simply when a new file is downloaded