Add optional layer download to pre-install
Update download script to check if already downloaded, fixed path issue for extracting tar.gz
Updated Gruntfile to serve tiles on test port, added test file to display faults (requires downloading layers to work)
Added uninstall script to undo pre-install
Updated downloadLayers default answer to true, reuse promptYesNo function from uninstall
update targz destination directory
Added apache rewrite to avoid php when possible
Added ushaz layer to example page
Updated README with basic getting started instructions
Add range check for row/col, check database results more carefully, use readfile instead of fpassthru
Add range check for row/col, check database results more carefully, send null response for no data (instead of empty)
Merge pull request #3 from jmfee-usgs/EQH-2780

Eqh 2780