Update .gitignore
Updated expected values for Sitecore 7.0
Project cleanup

1. Remove App_Config, App.config from test project. These are provided by
AfterBuild step.
2. Remove *.ncrunch project files from repo.
3. Rename connection strings to remove Sitecore65.
Use deploycommand.xml to set up test project.

MongoDb test project uses after build step to copy DLLs and configuration
from website project.