* Window ordering ability
Added ability to change display order of the windows using tab. Added a help tooltip.
* fix redundant clone
* fix fmt check
* cargo fmt fix 2
* Fixed help layout and added tests
* Fix fmt check
* build: Add Makefile for building on Linux with make
* packaging: Add debian packaging to build on Debian platforms
* Define `env CLEAN=0` to prevent from rebuilding sources
* Define `env VENDOR=0` to prevent vendoring of sources
To build in a schroot for bionic:
```
sbuild -d bionic --extra-repository='deb [trusted=yes] http://ppa.launchpad.net/mmstick76/rust/ubuntu bionic main'
```
Replace bionic with whichever Ubuntu release you are building for