Adding start rtmbot to tox.ini for linting

Also updating gitignore to ignore some stuff on my machine.

.gitignore

@@ -4,4 +4,7 @@
 /build/**
 *.log
 env
-.tox
+.tox
+*.un~
+0/
+tests/.cache

start_rtmbot.py

@@ -19,7 +19,7 @@ def parse_args():
 
 # load args with config path
 args = parse_args()
-config = yaml.load(file(args.config or 'rtmbot.conf', 'r'))
+config = yaml.load(open(args.config or 'rtmbot.conf', 'r'))
 bot = RtmBot(config)
 try:
     bot.start()

tox.ini

@@ -20,4 +20,4 @@ basepython =
 [testenv:flake8]
 basepython=python
 deps=flake8
-commands=flake8 {toxinidir}/rtmbot/core.py {toxinidir}/doc/example-plugins
+commands=flake8 {toxinidir}/start_rtmbot.py {toxinidir}/rtmbot/core.py {toxinidir}/setup.py {toxinidir}/doc/example-plugins