Added $tileset member to prevent PHP notice when generating ETAG
Include the 'modified date' of the .MBTiles file in the ETag header
Added directions for implementing ubuntu aws server configured to run mbtiles-php
Created new file called server-setup
Update server-setup.md

Changed format
Merge pull request #1 from cwhite911/master

server setup instructions
Recognize if we're running on HTTPS domain and act accordingly
Merge branch 'master' of github.com:infostreams/mbtiles-php
allow serving static files from the tiles/ directory

if static files (and sub-directories) are present, don't route through tileserver.php
this allows:
1. to switch from a static tree to an .mbtiles, and back, without changing URLs
2. to roughly build a cache for (a subset of) the tiles
Merge pull request #3 from Fil/allow-static-files

allow serving static files from the tiles/ directory
Merge remote-tracking branch 'upstream/master'

Conflicts:
	tileserver.php