fix. used command to ensure tunnel runs in background. added way to break out of process.
add. query sub-package
fix. some syntax and dependencies.
add. kill_procs_on_port to handle removing listeners.
mod. only kill ssh procs
mod. small style fixes
mod. use project map from config/settings
mod. blocks_user_map_query now takes 'project' parameter
rm. DB_MAP structure.  Replaced by PROJECT_DB_MAP in config/settings.
Merge pull request #2 from rfaulkner/master

Update ssh tunneling tool / Setup API for cross project queries