to make the choke/unchoke cycles a little faster

before the signature check

and minor cleanup of getIdentity() calls

Did not affect most Destination creation code paths because they
are generally created via Destination.create(), not via readBytes(InputStream)

Add new more efficient method to indicate if padding was compressed

Data: Fix compressible padding detection and expansion

See merge request !228

and one change to light theme

NetDB: RI Publish improvements part 4

Prevent rapid RI publishing at startup when transports update their status
by adding a short delay and check

NetDB: RI Publish improvements part 4

See merge request !227

Only publish non-ff at shutdown if not restarting

NetDB: RI Publish improvements part 2
Delay startup of PLRIJ

Start PLRIJ in setNetDbReady() with a delay,
rather than running immediately from KNDF.startup(),
so that it does not attempt to publish before
KNDF.isInitialized() is true.
setNetDbReady() always does the initial publish,
PLRIJ does the subsequent republishing.

Ensure republish timing is consistent after startup
Increase publish interval randomness
Sometimes publish "early" to add more randomness
Reset counter after publish

NetDB: RI Publish improvements part 2

See merge request !226