* do not cache ACL storage contract
* when error comes before initialization
* initial KeyServerSet commit
* update_nodes_set in maintain
* do not connect to self
* fixed connection establishing
* removed println
* improved KeyServerSet tracing
* moved parsing to KeyServerSet
* re-read only when blockchain is changed
* do not try to connect if not a part of cluster
* improved logging
* fixed tests
* refactoring traits
* separate generation session
* generalized ClusterSessions
* signing session prototype
* full_signature_math_session
* consensus session prototype
* continue signing session
* continue signing session
* continue signing session
* continue signing session
* isolated consensus logic
* started work on signing test
* complete_gen_sign_session works
* consensus tests
* get rid of duplicated data in SigningSession
* TODOs in signing session
* fixing tests
* fixed last test
* signing session in http listener
* new key server tests
* fix after merge
* enabled warnings
* fixed possible race
* ignore previous jobs responses
* include sef node in consensus when confirmed
* fixed warning
* removed extra clones
* consensus_restarts_after_node_timeout
* encrypt signature before return
* return error text along with HTTP status
* fix for odd-of-N (share check fails + not equal to local sign)
* fixed t-of-N for odd t
* fixed test cases in complete_gen_sign_session
* fixed mistimed response reaction
* jobs draft
* DecryptionJob
* consensus session tets
* fixed decryption tests
* signing job implementation
* siginng_session using new consensus_session
* added license preambles
* same_consensus_group_returned_after_second_selection
* database upgrade v0 -> v1
* typo
* fixed grumbles
Svyatoslav Nikolsky