Updating the CI system with the publication of releases and binary files on github

Signed-off-by: Denis S. Soldatov aka General-Beck <general.beck@gmail.com>

snap/snapcraft.yaml

@@ -1,39 +0,0 @@
-name: parity
-version: git
-summary: Fast, light, robust Ethereum implementation
-description: |
-  Parity's goal is to be the fastest, lightest, and most secure Ethereum
-  client. We are developing Parity using the sophisticated and cutting-edge
-  Rust programming language. Parity is licensed under the GPLv3, and can be
-  used for all your Ethereum needs.
-
-grade: devel
-confinement: strict
-
-apps:
-  parity:
-    command: parity
-    plugs: [home, network, network-bind, mount-observe, x11, unity7, desktop, desktop-legacy, wayland]
-    desktop: usr/share/applications/parity.desktop
-
-icon: snap/gui/icon.png
-
-parts:
-  desktop-icon:
-    source: ./snap
-    plugin: nil
-    prepare: |
-      mkdir -p $SNAPCRAFT_PART_INSTALL/usr/share/applications
-      mkdir -p $SNAPCRAFT_PART_INSTALL/usr/share/pixmaps
-      cp -v gui/parity.desktop $SNAPCRAFT_PART_INSTALL/usr/share/applications/
-      cp -v gui/icon.png $SNAPCRAFT_PART_INSTALL/usr/share/pixmaps/
-  parity:
-    source: .
-    plugin: rust
-    build-attributes: [no-system-libraries]
-    build-packages: [g++, libudev-dev, libssl-dev, make, pkg-config]
-    stage-packages: [libc6, libssl1.0.0, libudev1, libstdc++6]
-  df:
-    plugin: nil
-    stage-packages: [coreutils]
-    stage: [bin/df]