4401. [misc] Change LICENSE to MPL 2.0.
update copyright notice / whitespace
[master] 5011 tests and fixes 4056. [bug] Expanded automatic testing of trust anchor management and fixed several small bugs including a memory leak and a possible loss of key state information. [RT #38458] 4055. [func] "rndc managed-keys" can be used to check status of trust anchors or to force keys to be refreshed, Also, the managed keys data file has easier-to-read comments. [RT #38458]