Revert "had to change to let this work on windows."

This reverts commit 6c106a87f1.

script/bootstrap_server

@@ -4,7 +4,7 @@ echo "Update the submodule to latest version..."
 git submodule update
 
 echo "Installing dependencies..."
-python -m pip install --upgrade -r requirements_all.txt
+python3 -m pip install --upgrade -r requirements_all.txt
 
 echo  "Installing development dependencies.."
-python -m pip install --upgrade flake8 pylint coveralls pytest pytest-cov
+python3 -m pip install --upgrade flake8 pylint coveralls pytest pytest-cov

script/release

@@ -18,4 +18,4 @@ then
   exit 1
 fi
 
-python setup.py sdist bdist_wheel upload
+python3 setup.py sdist bdist_wheel upload

script/server

@@ -5,4 +5,4 @@
 
 cd "$(dirname "$0")/.."
 
-python -m homeassistant -c config
+python3 -m homeassistant -c config

script/setup

@@ -2,4 +2,4 @@ cd "$(dirname "$0")/.."
 
 git submodule init
 script/bootstrap
-python setup.py develop
+python3 setup.py develop