* * change corda dependencies to 3.0-NETWORKMAP_SNAPSHOT
* packages move fix
* address PR issues
* * refactorings
* cleaned up network management server start up code.
* renamed a few classes
* segregate doorman and network map config and startup code.
* make `config-file` optional, default to ./networkManagement.conf
* readme.md and UX changes
* added dependency on rpc for the serilization env
* move init serilization env to main method to avoid interfering with test
* move cert path check to the storage, and remove redundant checks in NodeInfoWebService.
* minor fix
* some refactoring
* fix broken test and added steps to start the network
* address PR issues
* write root cert to pem file
* address PR issues
fix bugs in doorman where it try to transit jira ticket to done multiple times
* address PR issue
* approve request no longer throws exception when approve again, it will simply ignore, test is no longer relevant
* Overriding network parameters if they are specified in the deployment configuration
* Addressing review comments
* Addressing review comments
* Changing the getCurrentNetworkMap return type to be nullable
