Update virtualenv docs to work for more setups
Remove the quotes from the windows commands for starting a virtualenv.
This allows the command to work in git shell in addition to cmd.
@@ -20,10 +20,10 @@ $ virtualenv venv
**Step 2.** Update tools and generate project files. **This should be done every time you pull new changes**
```Windows
-$ "venv/Scripts/activate"
+$ venv/Scripts/activate
$ pip install -r requirements.txt
$ progen generate -t uvision
-$ "venv/Scripts/deactivate"
+$ venv/Scripts/deactivate
```
**Step 3.** Pull requests should be made once a changeset is [rebased onto Master](https://www.atlassian.com/git/tutorials/merging-vs-rebasing/workflow-walkthrough)
