Reduced & updated dependencies.

By default, messages larger than 2.000 characters (sent via tells) get sent via slaves, if these exist.
Fixes #3

dummy.start.sh

@@ -6,26 +6,12 @@ if ! [ -x "$(command -v $PYTHON_BINARY)" ]; then
 fi
 
 $PYTHON_BINARY --version
-
-# Ensure virtualenv is present. This is not always the case
-$PYTHON_BINARY -m pip install virtualenv --user
-
-# Create and activate the virtualenv. This can be done even if it already exists
-# and will ensure setuptools, wheel and pip are up to date
-$PYTHON_BINARY -m virtualenv venv
 source venv/bin/activate
-
-# From there on we use 'pip' and 'python' (refers to versions in the virtualenv)
-pip install -r requirements.txt
-
 set -o pipefail -o errexit
 
 # The bot uses non-zero exit codes to signal state.
 # The bot will restart until it returns an exit code of zero.
 while true; do
-    # shellcheck disable=SC1073
-    # shellcheck disable=SC1072
-    # shellcheck disable=SC1009
-    python bootstrap.py ##bot_name## && exit
+    python bootstrap.py "$1" && exit
     sleep 1
 done