Wholesale changes to add sequence POST support. Default limits set low to contain complex and large gene impact in batches.
Allow mult. users to serve from the same machine

This is achieved by adding the username to the path under /tmp
Merge pull request #24 from muffato/misc_server

Allow mult. users to serve from the same machine
add assembly to config file to avoid hard-coded human assembly
sanity check for funcgen db
only add adaptors if they exist, and remove regulatory config if none found
sanity check: if no variations available for species, inform the user