config: read into default config
prepare including graceful restart of servers, not yet functional
graceful handoff working now, no support for changing listeners
include dependencies
Merge pull request #16 from wongak/daemon

Support for graceful restart
Merge branch 'master' of github.com:fritzpay/paymentd
allow using env var PAYMENTDCFG to set config file name
config duration in human-readable format
authorization: allow updating of system password
Merge pull request #17 from wongak/config_loading

Config loading
Merge remote-tracking branch 'upstream/master' into set_system_pw
refresh auth method
tests: test full routing
Merge pull request #18 from wongak/set_system_pw

Set system pw
Merge branch 'master' of github.com:fritzpay/paymentd
added initial project and currency admin api including docs
Merge branch 'chruffer-project_adminapi'