test.bat: Update for new run_test.py

New batch for new Python script
Add test_keepconfig.bat

Because I'm lazy and hate editing batches
Add test_quiet.bat

Because I'm lazy and hate editing batches
Update gitignore

Ignore jar files in server/plugins/
Add run_test.py

New Python test script, this one won't fuck everything up I promise
Fix test*.bat

Insert call line for server launch batch
Add config.yml

Add server config
Add server log

Added, but untracked for simplicity's sake
Add server.properties

Add server properties file just because