* [NOD-310] Implement REST server in API server
* [NOD-310] MetaData -> Metadata
* [NOD-310] Make custom context methods instead of custom request functions
* [NOD-310] change "Request ID" prefix to "RID" and convert to apiServerContext with newAPIServerContext everywhere
* [NOD-256] Add error log
* [NOD-256] Add error log
* [NOD-256] Fix typo and comment
* [NOD-256] Remove btclog dir
* [NOD-256] Format project
* [NOD-256] Add error log files
* [NOD-256] Add an option to add a log file to write into to an existing backend logger
* [NOD-256] Get rid of redundant logs initialization
* [NOD-256] rename initLogRotators to initLog
* [NOD-256] Get rid ExampleSignTxOutput and convert ExampleBlockDAG_ProcessBlock to a regular test
* [NOD-256] Show error message if os.Exiting from initLog
* [DEV-376] Changed any instance of %v in format strings with a more specific format token
* [DEV-376] Fixed some more wrong formatting strings + removed redundant
cast
* [DEV-376] Added fmt.Sprintf where it was missing
* [DEV-376] use %s for util.Amount, to invoke .String()
* [DEV-376] Some more fixes in format strings
* [DEV-376] fixed mruinvmap_test to expect the correct behaviour
* [DEV-82] break down main to packages
* [DEV-82] separate rpcserver and server
* [DEV-82] Fixed Windows-related code that failed to compile.
* [DEV-82] remove params.go and use only dagconfig.Params
* [DEV-82] fix log.go license
