Improved packaging

Change-Id: I78a14c3021e4944eb14669a7abfe18f3a82726d0

debian/postinst

@@ -1,4 +1,7 @@
 #!/bin/sh -e
 
+echo "pip3 install -q -r /usr/share/veles/requirements.txt"
+echo "This will take some time..."
 pip3 install -q -r /usr/share/veles/requirements.txt
-VELES_ALLOW_ROOT= generate_veles_frontend
+VELES_ALLOW_ROOT= generate_veles_frontend
+chown -R $SUDO_USER $HOME/.veles || true

deploy/ubuntu.sh

@@ -0,0 +1,19 @@
+#!/bin/sh -e
+
+if [ ! -e /etc/debian_version ]; then
+  echo "Only Debian-based distros are supported by this script."
+fi
+
+uver=$(lsb_release -cs)
+
+if [ $(id -u) != 0 ]; then
+  echo "Requesting sudo..."
+  sudo echo "Thanks"
+fi
+
+wget -O - https://velesnet.ml/apt/velesnet.ml.gpg.key | sudo apt-key add -
+if ! grep -q "deb [arch=amd64] https://velesnet.ml/apt $uver main" /etc/apt/sources.list; then
+  echo "deb [arch=amd64] https://velesnet.ml/apt $uver main" | sudo tee -a /etc/apt/sources.list
+fi
+sudo apt-get update
+sudo apt-get install python3-veles