Feature/slate serialization (#2534)

* - Add backwards compatability
- Add hex serialization

* rustfmt

* rustfmt

* Windows Compatibility Fixes #1 (#2535)

* initial changes for windows build and unit/integration tests

* rustfmt

* wallet+store tests

* rustfmt

* fix linux daemonize

* better encapsulate file rename

* rustfmt

* remove daemonize commands

* rustfmt

* remove server start/stop commands

* add ability to drop pmmr backend files explicitly for txhashset unzip

* rustfmt

* fix pmmr tests

* rustfmt

* Windows TUI Fix (#2555)

* switch pancurses backend to win32

* revert changes to restore test

* compatibility fix + debug messages

* rustfmt

* Add content disposition for OK responses  (#2545)

* Testing http send and fixing accordingly

* add repost method into wallet owner api (#2553)

* add repost method into wallet owner api

* rustfmt

* Add ability to compare selection strategies (#2516)

Before tx creation user can estimate fee and locked amount
with different selection strategies by providing `-e` flag for
`wallet send` command.

core/tests/vec_backend.rs

@@ -122,6 +122,8 @@ impl<T: PMMRable> Backend<T> for VecBackend<T> {
 		Path::new("")
 	}
 
+	fn release_files(&mut self) {}
+
 	fn dump_stats(&self) {}
 }